national leader vs Helmut Schmidt

national leader and Helmut Schmidt both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Helmut Schmidt	Yes	No	No	No

national leader (noun)	Helmut Schmidt (noun)
a person who is a respected leader in national or international affairs	German statesman who served as chancellor of Germany (born in 1918)