Luke 12:14 But he said to him, "Man, who made me a judge or an arbitrator over you?" (See NIV)
Job 9:33 There is no arbiter betwixt us, that might lay his hand upon us both. (JPS)
Isaiah 29:21 who cause a person to be indicted by a word, and lay a snare for the arbiter in the gate, and who deprive the innocent of justice with false testimony. (WEB)