whoremaster

noun

1. (derogatory)A man who uses the services of prostitutes.

   “Noiselessly the fat whoremaster glided across the floor. Jimmy Earls the brothel creeper.”

2. A pimp.
3. (figuratively)An exploiter of people.

   “a. 2000, Dale Brown, quoted in Commercialism and Conflict in Big-Time College Sports by Andrew Zimbalist This one-billion-dollar TV contract is the paramount example of the injustices in the game. Look at the money we make off predominately poor black kids. We're the whoremasters.”