Do not fear, you worm Jacob, you men of Israel; I will help you," declares the LORD, "and YOUR REDEEMER is the Holy One of Israel. Isaiah 41:14.
CONTEXT:
Remember these things, O JACOB, And ISRAEL for you are MY SERVANT ; I have formed you, you are MY SERVANT O ISRAEL, YOU will not be forgotten by Me. have wiped out your transgressions like a thick cloud And your sins like a heavy mist.return to Me, for I have redeemed you." Shout for joy, O heavens, for the LORD has done it! Shout joyfully, you lower parts of the earth; Break forth into a shout of joy, you mountains, O forest, and every tree in it; For the LORD has redeemed Jacob And in Israel He shows forth His glory. Thus says the LORD, YOUR REDEEMER, and the one who formed you from the womb, "I, the LORD, am the maker of all things, Stretching out the heavens by Myself And spreading out the earth all alone. Isaiah 44:21ff.

Trinitarians imagine the person Jesus into the words `His redeemer`and suppose Jesus is being called YHWH of Hosts. But the words ``His redeemer`` mean Jacob`s Redeemer, Israel`s Redeemer.