loved one vs worker

loved one and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
loved one	Yes	No	No	No
worker	Yes	No	No	No

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

Other hypernyms of loved one include actor, doer.

loved one (noun)	worker (noun)
a person who you love, usually a member of your family	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