extortioner

Definition of Extortioner in English :

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

WordNet Lexical Database for English. Princeton University. 2010.

Extortioner

noun

the act of securing money, favours, etc by intimidation or violence; blackmail

noun

1.

a.

the act of extorting, or getting money, etc. by threats, misuse of authority, etc.

sometimes applied to the exaction of too high a price

b.

the legal offense committed by an official who extorts

2.

something extorted

n.

1. Illegal use of one's official position or powers to obtain property, funds, or patronage.

2. The act or an instance of extorting something, as by psychological pressure.

3. An excessive or exorbitant charge.