> I felt that we got taken advantage of while in a desperate and vulnerable situation.

Not a believer, but if there is a hell people like this should go straight there.

I heard a podcast once that mentioned deliberately infecting yourself with bacteria can stop brain cancer. Obviously the results in this article don't sound great, but it could give you some additional people to speak to? Whatever happens, I wish the best for you in this difficult situation.

https://www.nature.com/articles/nature.2012.11080