Definition of Extortion
The obtaining of property from another induced by wrongful use of actual or threatened force, violence, or fear, or under color of official right. 18 U.S.C.A. § 871 et seq.; § 1951.
A person is guilty of theft by extortion if he purposely obtains property of another by threatening to: (1) inflict bodily injury on anyone or commit any other criminal offense; or (2) accuse anyone of a criminal offense; or (3) expose any secret tending to subject any person to hatred, contempt or ridicule, or to impair his credit or business repute; or (4) take or withhold action as an official, or cause an official to take or withhold action; or (5) bring about or continue a strike, boycott or other collective unofficial action, if the property is not demanded or received for the benefit of the group in whose interest the actor purports to act; or (6) testify or provide information or withhold testimony or information with respect to another’s legal claim or defense; or (7) inflict any other harm which would not benefit the actor. Model Penal Code, § 223.4.
See also Blackmail; Hobbs Act; Loan sharking; Shakedown. With respect to “Larceny by extortion”, see Larceny.
That's the definition of Extortion in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.
