agitator Meaning, Definition & Usage

  1. noun one who agitates; a political troublemaker
    fomenter.

WordNet

Ag"i*ta`tor noun
Etymology
L.
Definitions
  1. One who agitates; one who stirs up or excites others; as, political reformers and agitators.
  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.
  3. An implement for shaking or mixing.

Webster 1913