One who agitates; one who stirs up or excites others, for example political reformers.
An implement for shaking or mixing.
One of a body of men appointed by the army, in Oliver Cromwell's time, to look after their interests.
A person who likes or tends to express a contradicting viewpoint, especially one who denounces the majority persuasion.
A financial investor who tends to have an opinion of market trends at variance with most others.
Pertaining to or characteristic of a contrarian.