Verses with the word oppressors in the Old Testament (8 verses):

Job 27:13
This is the portion of a wicked man with God, and the heritage of oppressors, which they shall receive of the Almighty.

Psalms 54:3
For strangers are risen up against me, and oppressors seek after my soul: they have not set God before them. Selah.

Psalms 119:121
I have done judgment and justice: leave me not to mine oppressors.

Ecclesiastes 4:1
So I returned, and considered all the oppressions that are done under the sun: and behold the tears of such as were oppressed, and they had no comforter; and on the side of their oppressors there was power; but they had no comforter.

Isaiah 3:12
As for my people, children are their oppressors, and women rule over them. O my people, they which lead thee cause thee to err, and destroy the way of thy paths.

Isaiah 14:2
And the people shall take them, and bring them to their place: and the house of Israel shall possess them in the land of the LORD for servants and handmaids: and they shall take them captives, whose captives they were; and they shall rule over their oppressors.

Isaiah 16:4
Let mine outcasts dwell with thee, Moab; be thou a covert to them from the face of the spoiler: for the extortioner is at an end, the spoiler ceaseth, the oppressors are consumed out of the land.

Isaiah 19:20
And it shall be for a sign and for a witness unto the LORD of hosts in the land of Egypt: for they shall cry unto the LORD because of the oppressors, and he shall send them a saviour, and a great one, and he shall deliver them.