Sacerdotalism

noun

1. The belief that priests act as mediators between God and humans.
2. 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.
3. The system, style, spirit, or character, of a priesthood, or sacerdotal order; devotion to the interests of the sacerdotal order.
4. The belief that priests can act as mediators between God and mankind
5. a belief that priests can act as mediators between human beings and God