资料来源 : Webster's Revised Unabridged Dictionary (1913)

Fomenter \Fo*ment"er\, n.
   One who foments; one who encourages or instigates; as, a
   fomenter of sedition.

资料来源 : WordNet®

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