spiritual leader vs leader

spiritual leader and leader both are nouns.

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

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

spiritual leader (noun)	leader (noun)
a leader in religious or sacred affairs	a featured article of merchandise sold at a loss in order to draw customers
	a person who rules or guides or inspires others