starets vs adviser

starets and adviser both are nouns.

Word	Noun	Adjective	Verb	Adverb
starets	Yes	No	No	No
adviser	Yes	No	No	No

As nouns, adviser is a hypernym of starets; that is, adviser is a word with a broader meaning than starets:

starets: a religious adviser (not necessarily a priest) in the Eastern Orthodox Church
adviser: an expert who gives advice

Other hypernyms of starets include advisor, consultant.

starets (noun)	adviser (noun)
a religious adviser (not necessarily a priest) in the Eastern Orthodox Church	an expert who gives advice