national leader vs 1st Earl Attlee

national leader and 1st Earl Attlee both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
1st Earl Attlee	Yes	No	No	No

national leader (noun)	1st Earl Attlee (noun)
a person who is a respected leader in national or international affairs	British statesman and leader of the Labour Party who instituted the welfare state in Britain (1883-1967)