bereaved person vs worker

bereaved person and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
bereaved person	Yes	No	No	No
worker	Yes	No	No	No

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

Other hypernyms of bereaved person include actor, doer.

bereaved person (noun)	worker (noun)
a person who has suffered the death of someone they loved	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