hazan vs spiritual leader

hazan and spiritual leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
hazan	Yes	No	No	No
spiritual leader	Yes	No	No	No

As nouns, spiritual leader is a hypernym of hazan; that is, spiritual leader is a word with a broader meaning than hazan:

hazan: the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos
spiritual leader: a leader in religious or sacred affairs

hazan (noun)	spiritual leader (noun)
the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos	a leader in religious or sacred affairs