'Keeper' in the Bible

Again she gave birth, to Cain's brother Abel. Abel was a keeper of sheep, but Cain was a tiller of the ground.

Yahweh said to Cain, "Where is Abel, your brother?" He said, "I don't know. Am I my brother's keeper?"

But Yahweh was with Joseph, and showed kindness to him, and gave him favor in the sight of the keeper of the prison.

The keeper of the prison committed to Joseph's hand all the prisoners who were in the prison. Whatever they did there, he was responsible for it.

The keeper of the prison didn't look after anything that was under his hand, because Yahweh was with him; and that which he did, Yahweh made it prosper.