sacerdotalism

The belief that priests act as mediators between God and humans.

The sacerdotal system or spirit; the methods or spirit of the priesthood; devotion to the interests or system of the priesthood; in a bad sense, priestcraft.

The system, style, spirit, or character, of a priesthood, or sacerdotal order; devotion to the interests of the sacerdotal order.

The belief that priests can act as mediators between God and mankind

a belief that priests can act as mediators between human beings and God