Verses with the word extortioner in the Old Testament (2 verses):

Psalms 109:11
Let the extortioner catch all that he hath; and let the strangers spoil his labour.

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.