rich person vs worker

rich person and worker both are nouns.

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

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

Other hypernyms of rich person include actor, doer.

rich person (noun)	worker (noun)
a person who possesses great material wealth	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