Ignacy Jan Paderewski vs national leader

Ignacy Jan Paderewski and national leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ignacy Jan Paderewski	Yes	No	No	No
national leader	Yes	No	No	No

Ignacy Jan Paderewski (noun)	national leader (noun)
Polish pianist who in 1919 served as the first Prime Minister of independent Poland (1860-1941)	a person who is a respected leader in national or international affairs