ancient vs worker

ancient and worker both are nouns.

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

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

Other hypernyms of ancient include actor, doer.

ancient (noun)	worker (noun)
a person who lived in ancient times	sterile member of a colony of social insects that forages for food and cares for the larvae
a very old person	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

ancient (adjective)	worker (adjective)
very old
belonging to times long past especially of the historical period before the fall of the Western Roman Empire