He is safe — You think you are safe, in engaging the Egyptians; but God is not inferior to them in wisdom or strength, and therefore you have done foolishly, in preferring them before him, who will execute his judgments upon you, notwithstanding all the Egyptians can do. The help — The helpers, as it is explained in the next verse.
Related Commentaries of Isaiah 31:2
Isaiah 31:2
2 Yet he also is wise, and will bring evil, and will not call back his words: but will arise against the house of the evildoers, and against the help of them that work iniquity.