provoker vs firebrand

provoker and firebrand both are nouns.

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

As nouns, provoker and firebrand are synonyms defined as:

Other synonyms of provoker include inciter, instigant, instigator.

provoker (noun)	firebrand (noun)
someone who deliberately foments trouble	someone who deliberately foments trouble
	a piece of wood that has been burned or is burning