patron saint
noun [ C ] uk/ˌpeɪ.trən ˈseɪnt/ us/ˌpeɪ.trən ˈseɪnt/
守护圣人，主保圣人
a Christian saint who is believed to give special help to a particular place, activity, person, or type of object
St John Bosco is the patron saint of Turin. 圣约翰‧博斯科是都灵的主保圣人。