No Christian would want to kill anyone, there is no justification for killing anyone in the Bible.
"Take your son, your only son – yes, Isaac, whom you love so much – and go to the land of Moriah. Sacrifice him there as a burnt offering on one of the mountains, which I will point out to you." (Genesis 22:1-18)
"Consecrate to me every first-born that opens the womb among Israelites, both man and beast, for it belongs to me." (Exodus 13:2)
"Note also that any one of his possessions which a man vows as doomed to the Lord, whether it is a human being or an animal, or a hereditary field, shall be neither sold nor ransomed; everything that is thus doomed becomes most sacred to the Lord. All human beings that are doomed lose the right to be redeemed; they must be put to death." (Leviticus 27:28-29)
"At that time the Spirit of the LORD came upon Jephthah, and he went throughout the land of Gilead and Manasseh, including Mizpah in Gilead, and led an army against the Ammonites. And Jephthah made a vow to the LORD. He said, "If you give me victory over the Ammonites, I will give to the LORD the first thing coming out of my house to greet me when I return in triumph. I will sacrifice it as a burnt offering."
"So Jephthah led his army against the Ammonites, and the LORD gave him victory. He thoroughly defeated the Ammonites from Aroer to an area near Minnith – twenty towns – and as far away as Abel-keramim. Thus Israel subdued the Ammonites. When Jephthah returned home to Mizpah, his daughter – his only child – ran out to meet him, playing on a tambourine and dancing for joy. When he saw her, he tore his clothes in anguish. "My daughter!" he cried out. "My heart is breaking! What a tragedy that you came out to greet me. For I have made a vow to the LORD and cannot take it back." And she said, "Father, you have made a promise to the LORD. You must do to me what you have promised, for the LORD has given you a great victory over your enemies, the Ammonites. But first let me go up and roam in the hills and weep with my friends for two months, because I will die a virgin." "You may go," Jephthah said. And he let her go away for two months. She and her friends went into the hills and wept because she would never have children. When she returned home, her father kept his vow, and she died a virgin. So it has become a custom in Israel for young Israelite women to go away for four days each year to lament the fate of Jephthah's daughter." (Judges 11:29-40 NLT)
Voice of God time: "The one who has stolen what was set apart for destruction will himself be burned with fire, along with everything he has, for he has broken the covenant of the LORD and has done a horrible thing in Israel." (Joshua 7:15 NLT)
At the LORD's command, a man of God from Judah went to Bethel, and he arrived there just as Jeroboam was approaching the altar to offer a sacrifice. Then at the LORD's command, he shouted, "O altar, altar! This is what the LORD says: A child named Josiah will be born into the dynasty of David. On you he will sacrifice the priests from the pagan shrines who come here to burn incense, and human bones will be burned on you." (1 Kings 13:1-2 NLT)
Chastised a little, they shall be greatly blessed, because God tried them and found them worthy of himself. As gold in the furnace, he proved them, and as sacrificial offerings he took them to himself. In the time of their visitation they shall shine, and shall dart about as sparks through stubble; (Wisdom 3:5-7 NAB The Book of The Wisdom of Solomon is mostly in Catholic versions of the Bible.)
"Suppose you hear in one of the towns the LORD your God is giving you that some worthless rabble among you have led their fellow citizens astray by encouraging them to worship foreign gods. In such cases, you must examine the facts carefully. If you find it is true and can prove that such a detestable act has occurred among you, you must attack that town and completely destroy all its inhabitants, as well as all the livestock. Then you must pile all the plunder in the middle of the street and burn it. Put the entire town to the torch as a burnt offering to the LORD your God. That town must remain a ruin forever; it may never be rebuilt. Keep none of the plunder that has been set apart for destruction. Then the LORD will turn from his fierce anger and be merciful to you. He will have compassion on you and make you a great nation, just as he solemnly promised your ancestors. "The LORD your God will be merciful only if you obey him and keep all the commands I am giving you today, doing what is pleasing to him." (Deuteronomy 13:13-19 NLT)
Anyone arrogant enough to reject the verdict of the judge or of the priest who represents the LORD your God must be put to death. Such evil must be purged from Israel. (Deuteronomy 17:12 NLT)
You should not let a sorceress live. (Exodus 22:17 NAB)
"If a man lies with a male as with a women, both of them shall be put to death for their abominable deed; they have forfeited their lives." (Leviticus 20:13 NAB)
A man or a woman who acts as a medium or fortuneteller shall be put to death by stoning; they have no one but themselves to blame for their death. (Leviticus 20:27 NAB)
Whoever strikes his father or mother shall be put to death. (Exodus 21:15 NAB)
If one curses his father or mother, his lamp will go out at the coming of darkness. (Proverbs 20:20 NAB)
All who curse their father or mother must be put to death. They are guilty of a capital offense. (Leviticus 20:9 NLT)
If a man commits adultery with another man's wife, both the man and the woman must be put to death. (Leviticus 20:10 NLT)
A priest's daughter who loses her honor by committing fornication and thereby dishonors her father also, shall be burned to death. (Leviticus 21:9 NAB)
Whoever sacrifices to any god, except the Lord alone, shall be doomed. (Exodus 22:19 NAB)
They entered into a covenant to seek the Lord, the God of their fathers, with all their heart and soul; and everyone who would not seek the Lord, the God of Israel, was to be put to death, whether small or great, whether man or woman. (2 Chronicles 15:12-13 NAB)
If a man still prophesies, his parents, father and mother, shall say to him, "You shall not live, because you have spoken a lie in the name of the Lord." When he prophesies, his parents, father and mother, shall thrust him through. (Zechariah 13:3 NAB)
Suppose you hear in one of the towns the LORD your God is giving you that some worthless rabble among you have led their fellow citizens astray by encouraging them to worship foreign gods. In such cases, you must examine the facts carefully. If you find it is true and can prove that such a detestable act has occurred among you, you must attack that town and completely destroy all its inhabitants, as well as all the livestock. Then you must pile all the plunder in the middle of the street and burn it. Put the entire town to the torch as a burnt offering to the LORD your God. That town must remain a ruin forever; it may never be rebuilt. Keep none of the plunder that has been set apart for destruction. Then the LORD will turn from his fierce anger and be merciful to you. He will have compassion on you and make you a great nation, just as he solemnly promised your ancestors. "The LORD your God will be merciful only if you obey him and keep all the commands I am giving you today, doing what is pleasing to him." (Deuteronomy 13:13-19 NLT)
But if this charge is true (that she wasn't a virgin on her wedding night), and evidence of the girls virginity is not found, they shall bring the girl to the entrance of her fathers house and there her townsman shall stone her to death, because she committed a crime against Israel by her unchasteness in her father's house. Thus shall you purge the evil from your midst. (Deuteronomy 22:20-21 NAB)
If your own full brother, or your son or daughter, or your beloved wife, or you intimate friend, entices you secretly to serve other gods, whom you and your fathers have not known, gods of any other nations, near at hand or far away, from one end of the earth to the other: do not yield to him or listen to him, nor look with pity upon him, to spare or shield him, but kill him. Your hand shall be the first raised to slay him; the rest of the people shall join in with you. You shall stone him to death, because he sought to lead you astray from the Lord, your God, who brought you out of the land of Egypt, that place of slavery. And all Israel, hearing of this, shall fear and never do such evil as this in your midst. (Deuteronomy 13:7-12 NAB)
Suppose a man or woman among you, in one of your towns that the LORD your God is giving you, has done evil in the sight of the LORD your God and has violated the covenant by serving other gods or by worshiping the sun, the moon, or any of the forces of heaven, which I have strictly forbidden. When you hear about it, investigate the matter thoroughly. If it is true that this detestable thing has been done in Israel, then that man or woman must be taken to the gates of the town and stoned to death. (Deuteronomy 17:2-5 NLT)
One day a man who had an Israelite mother and an Egyptian father got into a fight with one of the Israelite men. During the fight, this son of an Israelite woman blasphemed the LORD's name. So the man was brought to Moses for judgment. His mother's name was Shelomith. She was the daughter of Dibri of the tribe of Dan. They put the man in custody until the LORD's will in the matter should become clear. Then the LORD said to Moses, "Take the blasphemer outside the camp, and tell all those who heard him to lay their hands on his head. Then let the entire community stone him to death. Say to the people of Israel: Those who blaspheme God will suffer the consequences of their guilt and be punished. Anyone who blasphemes the LORD's name must be stoned to death by the whole community of Israel. Any Israelite or foreigner among you who blasphemes the LORD's name will surely die. (Leviticus 24:10-16 NLT)
Suppose there are prophets among you, or those who have dreams about the future, and they promise you signs or miracles, and the predicted signs or miracles take place. If the prophets then say, 'Come, let us worship the gods of foreign nations,' do not listen to them. The LORD your God is testing you to see if you love him with all your heart and soul. Serve only the LORD your God and fear him alone. Obey his commands, listen to his voice, and cling to him. The false prophets or dreamers who try to lead you astray must be put to death, for they encourage rebellion against the LORD your God, who brought you out of slavery in the land of Egypt. Since they try to keep you from following the LORD your God, you must execute them to remove the evil from among you. (Deuteronomy 13:1-5 NLT)
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I could go on.
I don't know what kind of Christian you are but every bible which I have read is FULL of nasty stuff.
If you call yourself a Christian then you must stand by murder.
*n