'Shepherd' in the Bible

"Since they have no shepherd, they have been scattered around and have become prey for all sorts of wild animals. How scattered they are!

Just as a shepherd looks after his flock during the day time while he is with them, so also I'm going to watch over my sheep, delivering them from every place where they've been scattered during the times of gloom and doom.

""Then I'll install one shepherd for them my servant David and he will feed them, will be there for them, and will serve as their shepherd.

"This is what the Lord GOD has to say: "I'm going to allow the house of Israel to ask anything they want from me, including this: I'm going to increase their population as a shepherd increases his flock.

"""My servant King David will be there for them, and one shepherd will be appointed for them. They will live according to my decrees, keep my regulations, and practice them.