Definition: "Archpontiff" is a term in the Bible used to describe a high-ranking priest or religious leader, typically one who presides over and oversees the activities of a particular religious community or sect, such as the Jewish Church. The term signifies that this person holds authority above others within their religious sphere. Detailed definition includes: A priest, especially a high priest, who serves as a spiritual guide, interpreter, and guardian for the congregation's beliefs and practices. This can include overseeing rituals, interpreting prophecies, or serving as a mentor to new members of the community. The term "arch" typically refers to a distinctive type of structure in which religious services are held.