There is a second way, when a man is brought near to death, and the destroying angels wait to take his life. Then an angel of mercy instructs man in the meaning of his suffering, intercedes for him, and provides a ransom from the destroyer, so that he is restored to health, and avows before men his own sin and God's mercy. In these and other ways God savingly deals with men.
In Job 33:21 read his flesh is consumed by wasting (Duhm), instead of consumed that it cannot be seen. The developed angelology of the above passage is very notable. Duhm says that it makes it probable that the Elihu speeches are very late. The idea of spirits hostile to or protective of the soul can hardly have originated without foreign influence, though we can hardly determine whether we have before us Persian or Egyptian or other ideas. Compare the angels in Daniel and Tobit. What the ransom mentioned in Job 33:24 is, we are not told; it is supposed to be the sufferer's affliction (Job 36:18).