national leader vs Gorbachev

national leader and Gorbachev both are nouns.

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

national leader (noun)	Gorbachev (noun)
a person who is a respected leader in national or international affairs	Soviet statesman whose foreign policy brought an end to the Cold War and whose domestic policy introduced major reforms (born in 1931)