Out of curiosity how far is he willing to go to "protect" his staff. In some part of the world Pimps would kick the shit out of the customer if he did something to the girl.he didn't pay for or was not agreed by the pimp. If he has no muscle he can't do much. You might want to write little posts all you want but in the end if you can't make sure that there are real consequences this will become something you'll have to deal regularly.