not paid

I know maybe some of you have been in this position at one point or another and I am unsure how to proceed so any advice will help since this is my first time going through some nonsense of this sort. (related to the USA for reference.) So I was hired as a freelancer for a project that would...

Ive been working on a project for a client on an IOS App and he screwed me out of $10,000.00, he sent me a payment through paypal and then charged it back. What do I do, I cant afford an attorney!!!!!