troublemaker (noun) troublemaker: person who causes a problem
Sinonime: agent provocateur, agitator, bad actor, firebrand, gremlin, heel,
hellion,
incendiary, inciter, inflamer,
instigator, loose cannon, meddler, mischief-maker,
nuisance,
phony*,
punk*, rabble-rouser,
rascal, recreant, smart aleck,
snake*, stormy petrel, weasel
Antonime: peacemaker