The shepherd motif traces God's faithful care and rule: the Lord gathers, feeds, guards, guides, and restores His people, exposes false shepherds, and fulfills the promise in Christ the Good Shepherd.
The shepherd motif is not merely tender language for comfort. Scripture uses shepherding to describe covenant care, royal leadership, protection, feeding, guidance, rescue, discipline, and accountable oversight. The Lord Himself is the true Shepherd of His people. Israel's kings and leaders were called to shepherd under Him, but many fed themselves rather than the flock.
The prophets therefore condemn false shepherds and promise that God will gather His scattered sheep, shepherd them Himself, and raise up a Davidic shepherd. In the New Testament, Jesus fulfills that promise as the Good Shepherd who knows His sheep and lays down His life for them. Church shepherding then becomes derivative: elders, teachers, and leaders care for the flock under Christ, the Chief Shepherd.