national leader vs David Ben-Gurion

national leader and David Ben-Gurion both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
David Ben-Gurion	Yes	No	No	No

national leader (noun)	David Ben-Gurion (noun)
a person who is a respected leader in national or international affairs	Israeli statesman (born in Poland) and active Zionist who organized resistance against the British after World War II; prime minister of Israel (1886-1973)