national leader vs Kenneth Kaunda

national leader and Kenneth Kaunda both are nouns.

Word	Noun	Adjective	Verb	Adverb
national leader	Yes	No	No	No
Kenneth Kaunda	Yes	No	No	No

national leader (noun)	Kenneth Kaunda (noun)
a person who is a respected leader in national or international affairs	statesman who led Northern Rhodesia to full independence as Zambia in 1964 and served as Zambia's first president (1924-1999)