apostolic delegate vs Roman Catholic

apostolic delegate and Roman Catholic both are nouns.

Word	Noun	Adjective	Verb	Adverb
apostolic delegate	Yes	No	No	No
Roman Catholic	Yes	Yes	No	No

apostolic delegate (noun)	Roman Catholic (noun)
(Roman Catholic Church) a representative of the Holy See in a country that has no formal diplomatic relations with it	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
	a member of the Roman Catholic Church

apostolic delegate (adjective)	Roman Catholic (adjective)
	of or relating to or supporting Romanism