national leader vs Gaius Flaminius

national leader and Gaius Flaminius both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Gaius Flaminius	Yes	No	No	No

national leader (noun)	Gaius Flaminius (noun)
a person who is a respected leader in national or international affairs	Roman statesman and general who built the Flaminian Way; died when he was defeated by Hannibal (died 217 BC)