freeperson vs citizen

freeperson and citizen both are nouns.

Word	Noun	Adjective	Verb	Adverb
freeperson	Yes	No	No	No
citizen	Yes	No	No	No

As nouns, citizen is a hypernym of freeperson; that is, citizen is a word with a broader meaning than freeperson:

freeperson: a person who is not a serf or a slave
citizen: a native or naturalized member of a state or other political community

freeperson (noun)	citizen (noun)
a person who is not a serf or a slave	a native or naturalized member of a state or other political community