Personally, imo, if all parties agree to what he wants....so what? I personally, would just figure they are all adults and if the girls who contact him want the same thing....so what? If they're all happy, then great.
Sorry to play Devil's Advocate here, but what you've got isn't necessarily a violation. There's no actual proof there. No specifications of acts or price. No verbal/written agreements.
There's nothing that stops this person from saying they were typing out their fantasy.