They of the west are appalled at his day, and horror seizes them of the east.
Bildad here describes the destruction itself which wicked people are reserved for in the other world, and which, in some degree, often seizes them in this world. Come, and see what a miserable condition the sinner is in when his day comes to fall. I.
Commenting on Job 18:11-21
Surely such are the dwellings of the wicked,.... As before described; as that the light should be dark in them; a wicked man's confidence should be rooted out of them; everything shocking and dreadful should dwell in them; brimstone should be scattered on them, they should be utterly consumed, and none remaining in them, Job 18:6.
after . . . before--rather, "those in the West--those in the East"; that is, all people; literally, "those behind--those before"; for Orientals in geography turn with their faces to the east (not to the north as we), and back to the west; so that before--east; behind--north (so Zac 14:8). day--of ruin (Oba 1:12). affrighted--seized with terror (Job 21:6; Isa 13:8).