'Lack' in the Bible

They were scattered for lack of a shepherd, and they became food for every beast of the field and were scattered.

“As I live,” declares the Lord God, “surely because My flock has become a prey, My flock has even become food for all the beasts of the field for lack of a shepherd, and My shepherds did not search for My flock, but rather the shepherds fed themselves and did not feed My flock;