'Shepherd' in the Bible

"'And thou, Bethlehem in the land of Judah, by no means the least honorable art thou among princely places in Judah! For from thee shall come a prince--one who shall be the Shepherd of My People Israel.'"

And when He saw the crowds He was touched with pity for them, because they were distressed and were fainting on the ground like sheep which have no shepherd.

and all the nations will be gathered into His presence. And He will separate them from one another, just as a shepherd separates the sheep from the goats;

Then said Jesus, "This night all of you will stumble and fail in your fidelity to me; for it is written, 'I will strike the Shepherd, and the sheep of the flock will be scattered in all directions.'