Overseer

Dictionary of Biblical Words:

This word is used in four principal ways; (1) The Jewish elders spoken of throughout the Gospels; (2) Christian elders or bishops (overseers) see {vi 29898-29900}Titus 1:5-7; (3) Those advanced in years 1 Peter 5:5., and (4) the twenty-four enthroned elders of the Revelation, typifying doubtless heavenly saints in their character of the royal priesthood of twenty-four courses (see {vi 111017-111048}1 Chron. 24-25.)

Concise Bible Dictionary:

Used in scripture for any one that had the oversight or leadership of others ({vi 1154-1155}Gen. 39:4-5, and more). In the AV. it is once the translation of έπίσκοπος, (Acts 20:28), which is elsewhere translated BISHOP.