Cleric, an ordained person. Derived from the Greek word for a ‘lot’, this term refers to anyone ordained to ChristianChristian Name originally given to disciples of Jesus by outsiders and gradually adopted by the Early Church to designate all members of the church. ministry, including deacons, priests and bishops. The clergyClergy Cleric, an ordained person. Derived from the Greek word for a 'lot', this term refers to anyone ordained to Christian ministry, including deacons, priests and bishops. The clergy have specific responsibilities and duties within the Church which set them apart from the laity, the ordinary members. have specific responsibilities and duties within the Church which set them apart from the laity, the ordinary members.