The Messiah would come to provide salvation.
OT Prophecy NT Fulfillment
Isaiah 63:5
And I looked, and there was none to help; and I wondered that there was none to uphold: therefore mine own arm brought salvation unto me; and my fury, it upheld me.
John 3:17
For God sent not his Son into the world to condemn the world; but that the world through him might be saved.

Colossians 2:13–15
[13] And you, being dead in your sins and the uncircumcision of your flesh, hath he quickened together with him, having forgiven you all trespasses;
[14] Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;
[15] And having spoiled principalities and powers, he made a shew of them openly, triumphing over them in it.
Tanakh – Neviim – Isaiah 63:5
And I looked, and there was none to help, and I beheld in astonishment, and there was none to uphold; therefore Mine own arm brought salvation unto Me, and My fury, it upheld Me.
Hebrew OT – Isaiah 63:5
[63:5] וְאַבִּיט וְאֵין עֹזֵר
וְאֶשְׁתּוֹמֵם וְאֵין סוֹמֵךְ
וַתּוֹשַׁע לִי זְרוֹעִי
וַחֲמָתִי הִיא סְמָכָתְנִי