unraveller vs worker

unraveller and worker both are nouns.

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

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

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

Other hypernyms of unraveller include actor, doer.

unraveller (noun)	worker (noun)
a person who removes tangles; someone who takes something out of a tangled state	sterile member of a colony of social insects that forages for food and cares for the larvae
	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done