dancing partner vs collaborator

dancing partner and collaborator both are nouns.

Word	Noun	Adjective	Verb	Adverb
dancing partner	Yes	No	No	No
collaborator	Yes	No	No	No

As nouns, collaborator is a hypernym of dancing partner; that is, collaborator is a word with a broader meaning than dancing partner:

dancing partner: one of a pair of people who dance together
collaborator: an associate in an activity or endeavor or sphere of common interest

Other hypernyms of dancing partner include cooperator, pardner, partner, dancer, social dancer.

dancing partner (noun)	collaborator (noun)
one of a pair of people who dance together	an associate in an activity or endeavor or sphere of common interest
	someone who collaborates with an enemy occupying force
	someone who assists in a plot