A bishop (English derivation from the New Testament of the Bible Greek ἐπίσκοπος, epískopos, "OVERSEER","guardian") is an ordained, consecrated, or appointed member of the clergy who is generally entrusted with a position of authority and oversight, a leader.
Ex:25 For ye were as sheep going astray; but are now returned unto the shepherd and bishop of your souls.
1 Timothy 3:1-3
This is a true saying, if a man desire the office of a bishop, he desireth a good work.
2 A bishop then must be blameless, the husband of ONE wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach;
3 Not given to wine, no striker, not greedy of filthy lucre; but patient, not a brawler, not covetous
6 If any be blameless, the husband of ONE wife, having faithful children not accused of riot or unruly.
7 For a bishop must be blameless, as the steward of God; not selfwilled, not soon angry, not given to wine, no striker, not given to filthy lucre;
8 But a lover of hospitality, a lover of good men, sober, just, holy, temperate;