Meaning of agitator

ag•i•ta•tor

Pronunciation: (aj'i-tā"tur), [key]
— n.
  1. a person who stirs up others in order to upset the status quo and further a political, social, or other cause: The boss said he would fire any union agitators.
  2. a machine or device for agitating and mixing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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