national leader vs Alcibiades

national leader and Alcibiades both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Alcibiades	Yes	No	No	No

national leader (noun)	Alcibiades (noun)
a person who is a respected leader in national or international affairs	ancient Athenian statesman and general in the Peloponnesian War (circa 450-404 BC)