The Messiah would intercede between God and man.
OT Prophecy NT Fulfillment
Isaiah 59:15-16b
"[15] Yea, truth faileth; and he that departeth from evil maketh himself a prey: and the Lord saw it, and it displeased him that there was no judgment. [16] And he saw that there was no man, and wondered that there was no intercessor: therefore his arm brought salvation unto him; and his righteousness, it sustained him."
Matthew 10:32-33
"[32] Whosoever therefore shall confess me before men, him will I confess also before my Father which is in heaven. [33] But whosoever shall deny me before men, him will I also deny before my Father which is in heaven."
Romans 8:34
"Who is he that condemneth? It is Christ that died, yea rather, that is risen again, who is even at the right hand of God, who also maketh intercession for us."

Tanakh - Neviim - Isaiah 59:15-16b

"[15] Yea, truth faileth; and he that departeth from evil maketh himself a prey: and the Lord saw it, and it displeased him that there was no judgment. [16] And he saw that there was no man, and wondered that there was no intercessor: therefore his arm brought salvation unto him; and his righteousness, it sustained him."

 Hebrew OT - Isaiah 59:15-16b

עריו הוהי אריו ללותשמ ערמ רסו תרדענ תמאה יהתו   [15] 
.טפשמ ןיא-יכ ויניעב        
ול עשותו עיגפמ ןיא יכ םמותשיו שיא ןיא-יכ אריו  
[16]
.והתכמס איה ותקדצו וערז        

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