The gin shall take him by the heel, and the robber shall prevail against him.
The rest of Bildad's discourse is entirely taken up in an elegant description of the miserable condition of a wicked man, in which there is a great deal of certain truth, and which will be of excellent use if duly considered - that a sinful condition is a sad condition, and that iniquity will be men's ruin if they do not repent of it.
Commenting on Job 18:5-10
The snare is laid for him in the ground,.... Or "hidden" (r) there; for, as Solomon says, "in vain the net is spread in sight of any bird", Pro 1:17; and in vain it is to lay a snare publicly in the sight or creature, it will not then come near it, but shun and avoid it; and therefore it is laid underground, or hid...
robber--rather answering to "gin" in the parallel clause, "the noose shall hold him fast" [UMBREIT].