yogi vs philosopher

yogi and philosopher both are nouns.

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

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

yogi: one who practices yoga and has achieved a high level of spiritual insight
philosopher: a specialist in philosophy

yogi (noun)	philosopher (noun)
one who practices yoga and has achieved a high level of spiritual insight	a specialist in philosophy
	a wise person who is calm and rational; someone who lives a life of reason with equanimity