provoker vs instigant

provoker and instigant both are nouns.

Word	Noun	Adjective	Verb	Adverb
provoker	Yes	No	No	No
instigant	Yes	No	No	No

As nouns, provoker and instigant are synonyms defined as:

Other synonyms of provoker include firebrand, inciter, instigator.

provoker (noun)	instigant (noun)
someone who deliberately foments trouble	someone who deliberately foments trouble