bereaved vs doer

bereaved and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
bereaved	Yes	Yes	No	No
doer	Yes	No	No	No

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

Other hypernyms of bereaved include actor, worker.

bereaved (noun)	doer (noun)
a person who has suffered the death of someone they loved	a person who acts and gets things done

bereaved (adjective)	doer (adjective)
sorrowful through loss or deprivation