[1] : WordNet (r) 2.0

troublemaker
     n : someone who deliberately stirs up trouble syn: trouble
         maker, troubler, mischief-maker, bad hat
see also:
trouble maker troubler mischief-maker bad hat 

[2] : Moby Thesaurus II by Grady Ward, 1.0

26 moby thesaurus words for "troublemaker":
   agent provocateur, agitator, agitprop, catalyst, demagogue,
   exciter, firebrand, fomenter, gadfly, incendiary, inciter,
   inflamer, instigator, malcontent, meddler, mischief-maker,
   provocateur, provoker, rabble-rouser, ringleader, rouser,
   scandalmonger, seditionary, seditionist, stormy petrel, urger

Troublemaker >> T Words
Troublemaker, definition of term: Troublemaker
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