Exodus 5:19
The officers of the children of Israel saw that they were in trouble, when it was said, "You shall not diminish anything from your daily quota of bricks!"
Deuteronomy 32:36
For Yahweh will judge his people, and have compassion on his servants, when he sees that [their] power is gone, There is none [remaining], shut up or left at large.
Ecclesiastes 4:1
Then I returned and saw all the oppressions that are done under the sun: and behold, the tears of those who were oppressed, and they had no comforter; and on the side of their oppressors there was power; but they had no comforter.
Ecclesiastes 5:8
If you see the oppression of the poor, and the violent taking away of justice and righteousness in a district, don't marvel at the matter: for one official is eyed by a higher one; and there are officials over them.