Coercion is the use of violence or other kinds or force, or the threat of such force, to dictate the actions of others. Libertar Ian-s and some others have a special pejorative meaning of coercion, implying that the use or threat of force is one of the ones they disapprove of. Criminals and some others have a special esteem meaning of coercion, implying that the use or threat of force is one of the ones they arrogate of. http://en.wikipedia.org/wiki/Coercion