The terrible one … the scorner. "The terrible one" may be the foreign enemy, as in Isaiah 29:5, or, possibly, the native oppressor (Isaiah 1:23; Isaiah 5:1-30 :93, etc.)—a still more tearful evil. "The scorner" is the godless man, who scoffs at religion (Isaiah 28:14, Isaiah 28:22).
Both classes would be "consumed" and "brought to naught" when the new state of things was established. All that watch for iniquity; i.e. "all those who, for the furtherance of their iniquitous schemes, rise up early and late take rest, and eat the bread of carefulness" (Psalms 127:2).