Bouldering/climbing.
Indoor gyms are closed at the moment obviously, but when they open.
It's as social as you want it to be, you can just go on your own, go in a group, meet a group there.
Amazing all over workout, you get buff just from doing, no boring as hell pushing weights around. Great back/core exercise, totally fixed my back problems.
Good mental challenge, figuring out routes and techniques.
If you get into it then lots of possibility to get outdoors, get into sport/trad climbing.
Was going to suggest this, but with a dodgy hip it might not be ideal! It is a good social activity though.