friend vs worker

friend and worker both are nouns.

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

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

Other hypernyms of friend include actor, doer.

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

Other hypernyms of friend include actor, doer.

friend (noun)	worker (noun)
a person you know well and regard with affection and trust	sterile member of a colony of social insects that forages for food and cares for the larvae
a person with whom you are acquainted	a person who works at a specific occupation
an associate who provides cooperation or assistance	a member of the working class (not necessarily employed)
a person who backs a politician or a team etc.	a person who acts and gets things done