'Prevent' in the Bible

Then she said, "Please may the king remember Yahweh your God, {to prevent the increase of blood avengers who kill}, [so that they] not wipe out my son." He said, "{As Yahweh lives}, surely not one hair shall fall from your son to the ground."

He defiled the Topheth which [is] in the Valley of Ben-Hinnom, {to prevent} anyone causing his sons or his daughters to pass through the fire for Molech.

So I said, "The thing that you are doing is not good. Should you not walk in the fear of our God [to prevent] the disgrace from the nations, our enemies?

So when it became dark at the gates of Jerusalem before the Sabbath, I commanded that the doors be shut and said that they should not be opened until after the Sabbath. And I appointed some of my young men over the gates [to prevent] any {goods} being brought in on the day of the Sabbath.