IPA: /ɪkˈstɔːrtər/
KK: /ɪkˈstɔrtər/
A person who takes money or something valuable from someone by using threats or force.
The extorter demanded a large sum of money in exchange for not revealing the secret.
Extorter → It is formed from "ex-" (meaning out of or from) and "tor" (from Latin "tor", meaning one who performs an action). The word "extorter" refers to one who takes something out of another, typically by force or threats.
Think of someone who takes something 'out of' ('ex-') another person through coercion — that's what an extorter does.