national leader vs Josip Broz

national leader and Josip Broz both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Josip Broz	Yes	No	No	No

national leader (noun)	Josip Broz (noun)
a person who is a respected leader in national or international affairs	Yugoslav statesman who led the resistance to German occupation during World War II and established a communist state after the war (1892-1980)