He wants to hire me as a talent scout when I leave rehab, but is willing to pay for my recovery home once I leave rehab. According to him he's "Dummy rich, an anarchist, and was saved by someone in the same way" in the 90s. Can I get fucked over by accepting this dude's help?
okay, so let's run through what the possible scenarios could be here, so you can figure out how you feel about them and how you would deal with them
everybody help, I won't think of everything
as I'm typing them, the third one seems the most likely to me – and I bet this strategy tends to backfire a little, because it can make for an awkward beginning to a friendship when there's so much inequity from the jump. it can be hard to recover from that, but finding a way to make the aid mutual really helps, so if that is the situation, just seeing the act of friendship as a gift you're giving in return might be helpful.
if I had more money, I would be trying to take people in constantly, so I've been more trusting of these kinds of situations than I ought to be and gotten into trouble. but I am that kind of person, and I know there are others, and some of them probably have money. so maybe it's legit.
Something a bit more general and that overlaps several of these is
totally missed this obvious one
It overlaps with your points 1, 3, 5, and 6.