baby boomer vs worker

baby boomer and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
baby boomer	Yes	No	No	No
worker	Yes	No	No	No

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

Other hypernyms of baby boomer include actor, doer.

baby boomer (noun)	worker (noun)
a member of the baby boom generation in the 1950s	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