national leader vs Tony Blair

national leader and Tony Blair both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Tony Blair	Yes	No	No	No

national leader (noun)	Tony Blair (noun)
a person who is a respected leader in national or international affairs	British statesman who became prime minister in 1997 (born in 1953)