'Prevent' in the Bible

Now the king and his men went to Jerusalem against the Jebusites, the inhabitants of the land, who said to David, “You shall not enter here, for the blind and the lame [even the weakest among us] will turn you away”; they thought, “David cannot come in here [because the walls are impenetrable].”

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."

So they said to the king, “The man who consumed us and planned to exterminate us from remaining in any territory of Israel,