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Clerics from WikiPedia:

A cleric (Ancient Greek ???????? - kl?rikos), clergyman (pl. clergymen), or churchman (pl. churchmen) is a member of the clergy of a religion, especially one who is a priest, preacher, or other religious professional. It is often used to refer to the religious leadership in Islam, where the term "priest" is not accurate and where terms such as "Alim" are not widely understood in the English-speaking world.

Within Christianity, especially in Eastern Christianity and formerly in Western Roman Catholicism, the term cleric refers to any individual who has received the clerical tonsure, including deacons, priests, and bishops. In Latin Roman Catholicism, the tonsure was a prerequisite for receiving any of the minor orders or major orders before the tonsure, minor orders, and the subdiaconate were abolished following the Second Vatican Council. Now, the clerical state is tied to reception of the diaconate. Minor Orders are still given in the Eastern Catholic Churches, and those who receive those orders are 'minor clerics.'

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