The Lord of Hosts... the Holy One of Israel. — We note the combination of the two names so prominent in 1 Isaiah. The “Redeemer” in this context suggests the idea of the next of kin (such, e.g., as Boaz was to Ruth), taking on himself the kinsman’s duty of protection (Ruth 4:4-6).
Related Commentaries of Isaiah 54:5
Isaiah 54:5
5 For thy Maker is thine husband; the LORD of hosts is his name; and thy Redeemer the Holy One of Israel; The God of the whole earth shall he be called.