For you were going astray like sheep; but are now returned to the Shepherd and Overseer{"Overseer" is from the Greek episkopon, which can mean overseer, curator, guardian, or superintendent.} of your souls.

 The point is clear. So long as a brick lies by itself it is useless; it becomes of use only when it is incorporated into a building. So it is with the individual Christian. To realize his destiny he must not remain alone, but must be built into the fabric of the Church. 