term:

Coercion

coercion n

: the use of express or implied threats of violence or reprisal (as discharge from employment) or other intimidating behavior that puts a person in immediate fear of the consequences in order to compel that person to act against his or her will
;also
: the defense that one acted under coercion see also defense, duress compare undue influence

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.