Jamieson, Fausset & Brown

in him--So the margin or keri, reads. But the textual reading or chetib is "not," which agrees best with the context, and other passages wherein he says he has no hope (Job 6:11; Job 7:21; Job 10:20; Job 19:10). "Though He slay me, and I dare no more hope, yet I will maintain," &c., that is, "I desire to vindicate myself before Him," as not a hypocrite [UMBREIT and NOYES].