patron saint vs shielder

patron saint and shielder both are nouns.

Word	Noun	Adjective	Verb	Adverb
patron saint	Yes	No	No	No
shielder	Yes	No	No	No

As nouns, shielder is a hypernym of patron saint; that is, shielder is a word with a broader meaning than patron saint:

patron saint: a saint who is considered to be a defender of some group or nation
shielder: a person who cares for persons or property

Other hypernyms of patron saint include defender, guardian, protector, saint.

patron saint (noun)	shielder (noun)
a saint who is considered to be a defender of some group or nation	a person who cares for persons or property