'Poor' in the Bible

Also the blood of the souls of the innocent poor is found in your skirts. You did not find them breaking in; but it is because of all these things.

Then I said, "Surely these are poor. They are foolish; for they don't know the way of Yahweh, nor the law of their God.

He judged the cause of the poor and needy; then it was well. Wasn't this to know me? says Yahweh.

But Nebuzaradan the captain of the guard left of the poor of the people, who had nothing, in the land of Judah, and gave them vineyards and fields at the same time.