First Earl of Orford vs national leader

First Earl of Orford and national leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
First Earl of Orford	Yes	No	No	No
national leader	Yes	No	No	No

First Earl of Orford (noun)	national leader (noun)
Englishman and Whig statesman who (under George I) was effectively the first British prime minister (1676-1745)	a person who is a respected leader in national or international affairs