If there be a messenger with him; rather, an angel (see the Revised Version). It is generally supposed that "the angel of the covenant" is meant, and that the whole passage is Messianic; but much obscurity hangs over it.
The Jews certainly understand it Messianically, since they read it on the great Day of Atonement, and use in their liturgies the prayer, "Raise up for us the righteous Interpreter; say, I have found a ransom."
Elihu's knowledge of an Interpreter, or Mediator, one among a thousand, who should deliver the afflicted man from going down to the pit, and find a ransom for him (Job 33:24), is certainly very surprising; and we can scarcely imagine that he understood the full force of his words; but it cannot be right to denude them of their natural signification Elihu certainly did not mean to speak of himself as an "angel-interpreter, one among a thousand;" and it is not probable that he intends a reference to any merely human helper.
To show unto man. his uprightness; either "to show to a man what it is right for him to do," or "to indicate to a man in what true righteousness consists."