literate person vs worker

literate person and worker both are nouns.

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

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

Other hypernyms of literate person include actor, doer.

literate person (noun)	worker (noun)
a person who can read and write	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