unfortunate vs worker

unfortunate and worker both are nouns.

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

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

Other hypernyms of unfortunate include actor, doer.

unfortunate (noun)	worker (noun)
a person who suffers misfortune	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

unfortunate (adjective)	worker (adjective)
not favored by fortune; marked or accompanied by or resulting in ill fortune
not auspicious; boding ill
unsuitable or regrettable