Basotho vs African

Basotho and African both are nouns.

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

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

Basotho (noun)	African (noun)
a member of a subgroup of people who inhabit Lesotho	a native or inhabitant of Africa

Basotho (adjective)	African (adjective)
	of or relating to the nations of Africa or their peoples