hierarch vs John Henry Newman

hierarch and John Henry Newman both are nouns.

Word	Noun	Adjective	Verb	Adverb
hierarch	Yes	No	No	No
John Henry Newman	Yes	No	No	No

hierarch (noun)	John Henry Newman (noun)
a senior clergyman and dignitary	English prelate and theologian who (with John Keble and Edward Pusey) founded the Oxford movement; Newman later turned to Roman Catholicism and became a cardinal (1801-1890)
a person who holds a high position in a hierarchy