In some denominations of Christianity, the cure of souls (Latin: cura animarum), an archaic translation which is better rendered today as "care of souls," is the exercise by a priest of his or her office. Christianity ( Greek Χριστιανισμός from the word Xριστός ( Christ)is a monotheistic Religion centered on the life and teachings Latin ( lingua Latīna, laˈtiːna is an Italic language, historically spoken in Latium and Ancient Rome. A priest or priestess is a person having the authority or power to administer religious rites in particular rites of sacrifice to and propitiation of a deity or deities This typically embraces instruction, by sermons and admonitions, and administration of sacraments, to the congregation over which they have authority from the church. A sermon is an oration by a Prophet or member of the Clergy. Sermons address a Biblical, theological, or religious topic A sacrament, as defined in Hexam's Concise Dictionary of Religion is "a Rite in which God is uniquely active In countries where the Roman Catholic Church acted as the national church, the "cure" was not only over a congregation or congregations, but over a district. The assignment of a priest to a district subdividing a diocese was a process begun in the 4th century A. D. The term parish as applied to this district comes from the Greek word for district, παρоικία. A parish is a Local church; it is an administrative unit typically found in episcopal or presbyterian churches