the action of using threats and/or force in order to obtain something, especially money, or an instance of this, especially when committed by an official;
e.g. He was a master of extortion and could get almost anything out of anybody.
(noun)
something, especially money or property, that has been obtained from someone by the use of threats and/or force;
e.g. We wondered what he planned to do with the extortion he had gathered from us.