Revenge means in the bible: See Num. for the Revenger of Blood law. 35:12, 19-27; Deut. 19:6, 12; Josh. 20:3, 5; 2 Sam. 14:7-11. See Ex. 23:5; Lev. 19:18. See Matt. 5:39, 44; Rom. 12:17, 19; 1 Cor. 4:12; 1 Thes. 5:15; 1 Pet. 3:9. 3:9.
(in Bible Dictionary)