Tuareg vs Berber

Tuareg and Berber both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tuareg	Yes	No	No	No
Berber	Yes	No	No	No

As nouns, Berber is a hypernym of Tuareg; that is, Berber is a word with a broader meaning than Tuareg:

Tuareg: the dialect of Berber spoken by the Tuareg
Berber: a cluster of related dialects that were once the major language of northern Africa west of Egypt; now spoken mostly in Morocco

Tuareg (noun)	Berber (noun)
the dialect of Berber spoken by the Tuareg	a cluster of related dialects that were once the major language of northern Africa west of Egypt; now spoken mostly in Morocco
a member of a nomadic Berber people of the Sahara	a member of an indigenous people of northern Africa