John Doe vs party

John Doe and party both are nouns.

Word	Noun	Adjective	Verb	Adverb
John Doe	Yes	No	No	No
party	Yes	No	Yes	No

As nouns, party is a hypernym of John Doe; that is, party is a word with a broader meaning than John Doe:

John Doe (noun)	party (noun)
an unknown or fictitious man who is a party to legal proceedings	an occasion on which people can assemble for social interaction and entertainment
a hypothetical average man	a gathering of people for pleasure
	an organization to gain political power
	a band of people associated temporarily in some activity
	a person involved in legal proceedings

John Doe (verb)	party (verb)
	have or participate in a party