Zairese vs African

Zairese and African both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zairese	Yes	Yes	No	No
African	Yes	Yes	No	No

As nouns, African is a hypernym of Zairese; that is, African is a word with a broader meaning than Zairese:

Zairese (noun)	African (noun)
a native or inhabitant of Zaire	a native or inhabitant of Africa

Zairese (adjective)	African (adjective)
of or relating to or characteristic of Zaire or its people	of or relating to the nations of Africa or their peoples