The Messiah would be the sin offering for all mankind.
OT Prophecy NT Fulfillment
Isaiah 53:12d
"Therefore will I divide him a portion with the great, and he shall divide the spoil with the strong; because he hath poured out his soul unto death: and he was numbered with the transgressors: and he bare the sin of many, and made intercession for the transgressors."
2 Corinthians 5:21
"For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him."
Tanakh – Neviim – Isaiah 53:12d
"Therefore will I divide him a portion among the great, and he shall divide the spoil with the mighty; because he bared his soul unto death, and was numbered with the transgressors; yet he bore the sin of many, and made intercession for the transgressors."
Hebrew OT – Isaiah 53:12d
[53:12] לָכֵן אֲחַלֶּק־לוֹ בָּרַבִּים
וְאֶת־עֲצוּמִים יְחַלֵּק שָׁלָל
תַּחַת אֲשֶׁר הֶעֱרָה לַמָּוֶת נַפְשׁוֹ
וְאֶת־פֹּשְׁעִים נִמְנָה
וְהוּא חֵטְא־רַבִּים נָשָׂא
וְלַפֹּשְׁעִים יַפְגִּיעַ