I searched for a man among them who would build up the wall and stand in the gap before Me for the land, so that I would not destroy it; but I found no one.In the past, every time God was going to destroy a people, there was someone to plead for them. First Noah was spared, then Abram's pleas saved his family in Sodom, and later Moses. The people would get progressively worse, but there was always at least one good man to prevent their destruction.
This time, however, there is no one. The gap lays empty, and the angel of death is coming through. A single person could have changed the course of history, but there was no one left who knew what was right and stood for it.