name dropper vs impostor

name dropper and impostor both are nouns.

Word	Noun	Adjective	Verb	Adverb
name dropper	Yes	No	No	No
impostor	Yes	No	No	No

As nouns, impostor is a hypernym of name dropper; that is, impostor is a word with a broader meaning than name dropper:

Other hypernyms of name dropper include fake, faker, fraud, imposter, pretender, pseud, pseudo, role player, sham, shammer.

name dropper (noun)	impostor (noun)
someone who pretends that famous people are his/her friends	a person who makes deceitful pretenses