Word Study
troublemaker
OXFORD DICTIONARY
troublemaker, n. a person who habitually causes trouble.
Derivative
troublemaking n.
THESAURUS
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, urgerFor further exploring for "troublemaker" in Webster Dictionary Online