Compare the marginal reference. Evildoers seem to draw down the wrath of God upon their heads, and so become, as it were, the scapegoats of the com…

The wicked shall be a ransom for the righteous. —The righteous is delivered out of trouble (Proverbs 11:8), and t…

The wicked [shall be] a ransom for the righteous
Not to make satisfaction for them, as Christ is a ransom for his pe…

The righteous is often delivered from trouble, and the wicked comes in his place, and so seems like a ransom for him.