From the Greek word meaning "overseer"; a successor of the Apostles as a teacher, leader, and shepherd of the Church:

Bishop in Greek stands for Overseer

Explanation:

The word Bishop is episkopos in Greek and it means, overseer. The office of the Bishop in Christianity serves the purpose of teaching the laity, leading them, and shepherding the Church of God. The Catholics, Orthodox, and Anglican believers hold that the office of the Bishop or whoever they deem fit to be ordained as a Bishop has a lineage or ancestry that can be traced to any of the twelve apostles.

The Protestant churches however, simply believe that whoever they ordain as a Bishop has attained a scope of spiritual maturity that qualifies him as such.

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