Read the Hebrew of Isaiah 44:6 in
BibleHub. It shows the name Yahweh in place of "LORD". The Redeemer is Yahweh. Jesus Christ is the redeemer.
Isaiah 43:11
11 I, even I, am the LORD; and beside me there is no saviour.
Isaiah 45:21
21 Tell ye, and bring them near; yea, let them take counsel together: who hath declared this from ancient time? who hath told it from that time? have not I the LORD? and there is no God else beside me; a just God and a Saviour; there is none beside me.
Isaiah 12:2
2 Behold, God is my salvation; I will trust, and not be afraid: for the LORD JEHOVAH is my strength and my song; he also is become my salvation.
Isaiah 49:26
26 And I will feed them that oppress thee with their own flesh; and they shall be drunken with their own blood, as with sweet wine: and all flesh shall know that I the LORD am thy Saviour and thy Redeemer, the mighty One of Jacob.
1 Corinthians 10:1–4
1 Moreover, brethren, I would not that ye should be ignorant, how that all our fathers were under the cloud, and all passed through the sea;
2 And were all baptized unto Moses in the cloud and in the sea;
3 And did all eat the same spiritual meat;
4 And did all drink the same spiritual drink: for they drank of that spiritual Rock that followed them: and that Rock was
Christ.
1 Timothy 1:1
1 Paul, an apostle of Jesus Christ by the commandment of God our Saviour, and Lord Jesus Christ, which is our hope;
Isaiah 43:11
11 I, even I, am the LORD; and beside me there is no saviour.
Matthew 1:21
21 And she shall bring forth a son, and thou shalt call his name JESUS: for he shall save his people from their sins.
Matthew 20:28
28 Even as the Son of man came not to be ministered unto, but to minister, and to give his life a ransom for many.
Luke 1:68
68 Blessed be the Lord God of Israel; for he hath visited and redeemed his people,
Romans 5:10
10 For if, when we were enemies, we were reconciled to God by the death of his Son, much more, being reconciled, we shall be saved by his life.
Titus 2:13–14
13 Looking for that blessed hope, and the glorious appearing of the great God and our Saviour Jesus Christ;
14 Who gave himself for us, that he might redeem us from all iniquity, and purify unto himself a peculiar people, zealous of good works.
Revelation 1:5
5 And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood,