This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. one who instigates; someone who deliberately provokes trouble; an instigator.

n. An instigator.

n. someone who deliberately foments trouble

"But Lucretius 'true tendency is to express an ordered vision of the life of man, with great vigour of real poetic image and often acute observation. quod petiere, premunt arte faciuntque dolorem corporis et dentes inlidunt saepe labellis osculaque adfligunt, quia non est pura voluptas et stimuli subsunt qui instigant laedere id ipsum quodcumque est, rabies unde illaec germina surgunt ..."

troubler    troublemaker    trouble maker    bad hat    mischief-maker   

ringleader   

instigator    provoker    inciter