noun. One who practises extortion; specifically, one who obtains excessive prices, rent, interest, etc., by means of monopoly or some other advantage.

noun. One who practices extortion; an extortionist.

noun. someone who extorts; an extortionist

noun. a criminal who extorts money from someone by threatening to expose embarrassing information about them

"That they should not long need their kindness, or be troublesome to them: For the extortioner is almost at an end already, and the spoiler ceases."

criminal  crook  felon  malefactor  outlaw  

backbiting  blackleg  blasphemer  bookmaker  ceaseth  

Harpy  bloodsucker  caterpillar  exacter  extortionist