agitator

agitator
    n 1: one who agitates; a political troublemaker [syn:
         {agitator}, {fomenter}]
    

Agitator \Ag"i*ta`tor\, n. [L.]
   1. One who agitates; one who stirs up or excites others; as,
      political reformers and agitators.
      [1913 Webster]

   2. (Eng. Hist.) One of a body of men appointed by the army,
      in Cromwell's time, to look after their interests; --
      called also {adjutators}. --Clarendon.
      [1913 Webster]

   3. An implement for shaking or mixing.
      [1913 Webster]
    

AGITATOR, n.  A statesman who shakes the fruit trees of his neighbors
-- to dislodge the worms.
    

56 Moby Thesaurus words for "agitator":
      activist, agent provocateur, agitprop, beater, blender, brawler,
      catalyst, cement mixer, churn, crucible, demagogue, eggbeater,
      emulsifier, exciter, extremist, firebrand, fomenter, frondeur,
      incendiary, inciter, inflamer, instigator, insubordinate,
      insurgent, insurrectionary, insurrectionist, insurrecto, jiggler,
      malcontent, maverick, melting pot, mischief-maker, mixer, mover,
      mutineer, nonconformist, paddle, provocateur, provoker,
      rabble-rouser, rebel, revolter, revolutionary, revolutionist,
      ringleader, rioter, rouser, seditionary, seditionist, shaker,
      subversive, traitor, troublemaker, urger, vibrator, whisk