You've encountered a psychopath in the wild. "You did such a good job we want to show our appreciation by _stealing your work and threatening your future to do

You've encountered a psychopath in the wild. "You did such a good job we want to show our appreciation by _stealing your work and threatening your future to do it while compensating you nothing_." It's so egregious. If you do a gofundme for legal support where would you post it? So we can follow you there.