Black person vs Africa

Black person and Africa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Black person	Yes	No	No	No
Africa	Yes	No	No	No

Black person (noun)	Africa (noun)
a person with dark skin who comes from Africa (or whose ancestors came from Africa)	the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean