When it comes to elders, they are referred to by three different names. These are not three different offices, but one office with three interchangeable names that indicates their position or role. Elder – speaks to a man’s spiritual maturity. Shepherd or Pastor – speaks to man’s role in caring for the church. Overseer or Bishop – speaks to a man’s role in managing the church.  A good example is Acts 20:28: “Be on guard for yourselves and for all the flock, among which the Holy Spirit has made you overseers, to shepherd the church of God which He purchased with His own blood.” The same could be said of 1 Peter 5. Verse 1 – “I exhort the elders.” Verse 2 – “Shepherd the flock.” Verse 2 – “exercising oversight.”