involuntary charity
when someone has overpaid for goods or services but lacked to dispute the deal due to the fact that the other person is poor
John: This broke ass repair man just charged me three times the amount to fix my ac! I wanted to bitch, but i know he has a bunch of kids...
Charlie: Sounds like you have been a victim of involuntary charity.
Charlie: Sounds like you have been a victim of involuntary charity.