unraveller vs actor

unraveller and actor both are nouns.

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

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

unraveller: a person who removes tangles; someone who takes something out of a tangled state
actor: a person who acts and gets things done

Other hypernyms of unraveller include doer, worker.

unraveller (noun)	actor (noun)
a person who removes tangles; someone who takes something out of a tangled state	a theatrical performer
	a person who acts and gets things done