creditor vs worker

creditor and worker both are nouns.

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

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

creditor: a person to whom money is owed by a debtor; someone to whom an obligation exists
worker: a person who acts and gets things done

Other hypernyms of creditor include actor, doer.

creditor (noun)	worker (noun)
a person to whom money is owed by a debtor; someone to whom an obligation exists	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