Stoic vs philosopher

Stoic and philosopher both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stoic	Yes	Yes	No	No
philosopher	Yes	No	No	No

As nouns, philosopher is a hypernym of Stoic; that is, philosopher is a word with a broader meaning than Stoic:

Stoic (noun)	philosopher (noun)
a member of the ancient Greek school of philosophy founded by Zeno	a specialist in philosophy
	a wise person who is calm and rational; someone who lives a life of reason with equanimity

Stoic (adjective)	philosopher (adjective)
pertaining to Stoicism or its followers