Definitions of extortion
the action of getting something (eg money or property) or by forcing someone to do something by the use of illegal means, such as threats (=suggesting that something unpleasant or violent will happen if a particular action or order is not followed) or force
The man was fined £110,000 after he admitted four charges of attempted extortion.
the illegal obtaining of property by a public official through the dishonest use of his or her position or power
The US-appointed governor of Najaf has been sentenced to 14 years on charges of extortion.