Bible Verses About Shepherd: David, the shepherd, defends his flock against a lion and a bear

And David saith unto Saul, `A shepherd hath thy servant been to his father among the sheep, and the lion hath come--and the bear--and hath taken away a sheep out of the drove,

and I have gone out after him, and smitten him, and delivered out of his mouth, and he riseth against me, and I have taken hold on his beard, and smitten him, and put him to death.