Isaiah 47:4 - Joseph Benson’s Commentary on the Old and New Testaments

As for our Redeemer, &c. The words, as for, not being in the Hebrew text, Bishop Lowth translates this verse, “Our Avenger, Jehovah God of hosts, the Holy One of Israel, is his name.” And he observes, “Here a chorus breaks in upon the midst of the subject, with a change of construction as well as sentiment, from the longer to the shorter kind of verse; after which, the former subject and style are resumed.” The passage seems to be inserted in the midst of this prophecy against Babylon, as Jacob inserts a like passage in the midst of his blessings and prophecies concerning his sons, Genesis 49:18. It gives the reason why the judgment, here denounced, should be certainly inflicted, because he who had undertaken it was the Lord of hosts, and therefore able to effect it; and the Holy One, and the Redeemer of Israel, whom the Babylonians had cruelly oppressed, whose quarrel God would avenge upon them, and whom he had determined and promised to deliver out of their hands. If the words be considered as a pathetical exclamation, or acclamation of God's people, they thereby ascribe to God, as their God and Redeemer, this wonderful work of breaking the staff of their oppressors: and they make their boast of, and celebrate him for, this glorious deliverance.