Cartesian vs follower

Cartesian and follower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cartesian	Yes	Yes	No	No
follower	Yes	No	No	No

As nouns, follower is a hypernym of Cartesian; that is, follower is a word with a broader meaning than Cartesian:

Cartesian (noun)	follower (noun)
a follower of Cartesian thought	a person who accepts the leadership of another
	someone who travels behind or pursues another

Cartesian (adjective)	follower (adjective)
of or relating to Rene Descartes or his works