national leader vs Gladstone

national leader and Gladstone both are nouns.

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

national leader (noun)	Gladstone (noun)
a person who is a respected leader in national or international affairs	a large travelling bag made of stiff leather
	liberal British statesman who served as prime minister four times (1809-1898)