literate vs worker

literate and worker both are nouns.

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

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

Other hypernyms of literate include actor, doer.

literate (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

literate (adjective)	worker (adjective)
able to read and write
versed in literature; dealing with literature
knowledgeable and educated in one or several fields