Berber vs Tuareg

Berber and Tuareg both are nouns.

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

As nouns, Tuareg is a hyponym of Berber; that is, Tuareg is a word with a more specific, narrower meaning than Berber:

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

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