controversialist vs actor

controversialist and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
controversialist	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of controversialist; that is, actor is a word with a broader meaning than controversialist:

controversialist: a person who disputes; who is good at or enjoys controversy
actor: a person who acts and gets things done

Other hypernyms of controversialist include doer, worker.

controversialist (noun)	actor (noun)
a person who disputes; who is good at or enjoys controversy	a theatrical performer
	a person who acts and gets things done