extortionist
ex·tor·tio·nist
noun
1.
a criminal who extorts money from someone by threatening to expose embarrassing information about them
Origin
From extortion + -ist.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.