national leader vs Gouverneur Morris

national leader and Gouverneur Morris both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Gouverneur Morris	Yes	No	No	No

national leader (noun)	Gouverneur Morris (noun)
a person who is a respected leader in national or international affairs	United States statesman who led the committee that produced the final draft of the United States Constitution (1752-1816)