linguist vs worker

linguist and worker both are nouns.

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

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

Other hypernyms of linguist include actor, doer.

linguist (noun)	worker (noun)
a person who speaks more than one language	sterile member of a colony of social insects that forages for food and cares for the larvae
a specialist in linguistics	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