answer: Israel - NO ONE can take on the sins of others:
Exodus 32:30-35, Deuteronomy 24:16, Ezekiel 18:1-4; 20-24; 26-27, Jeremiah 31:29-30, Deuteronomy 24:16
Despite strong objections from conservative Christian apologists, the prevailing rabbinic interpretation of Isaiah 53 ascribes the “servant” to the nation of Israel who silently endured unimaginable suffering at the hands of its gentile oppressors. The speakers in this most-debated chapter are the stunned kings of nations who will bear witness to the messianic age and the final vindication of the Jewish people following their long and bitter exile. “Who would have believed our report?,” the astonished and contrite world leaders wonder aloud in their dazed bewilderment (53:1)1.
The stimulus for the world’s baffled response contained in this famed cluster of chapters at the end of the Book of Isaiah is the unexpected salvation of Israel. The redemption of God’s people is the central theme in the preceding verse (52:12) where the “you” signifies the Jewish people who are sheltered and delivered by God. Moreover, the “afflicted barren woman” in the following chapter who is protected and saved by God is also universally recognized as the nation of Israel2 (54:1).
The well-worn claim frequently advanced by Christian apologists which argues that the noted Jewish commentator Rashi (1040 CE - 1105) was the first to identify the suffering servant of Isaiah 53 with the nation of Israel is inaccurate and misleading. In fact, Origen, a prominent and influential church father, conceded in the year 248 CE -- many centuries before Rashi was born -- that the consensus among the Jews in his time was that Isaiah 53 “bore reference to the whole [Jewish] people, regarded as one individual, and as being in a state of dispersion and suffering, in order that many proselytes might be gained, on account of the dispersion of the Jews among numerous heathen nations.”3
The broad consensus among Jewish, and even some Christian commentators, that the “servant” in Isaiah 52-53 refers to the nation of Israel is understandable. Isaiah 53, which is the fourth of four renowned Servant Songs, is umbilically connected to its preceding chapters. The “servant” in each of the three previous Servant Songs is plainly and repeatedly identified as the nation of Israel.
But you, Israel, my servant, Jacob, whom I have chosen, the offspring of Abraham, my friend; you whom I took from the ends of the earth, and called from its farthest corners, saying to you, "You are my servant, I have chosen you and not cast you off."
But now hear, O Jacob my servant, Israel whom I have chosen!
Remember these things, O Jacob, and Israel, for you are my servant; I formed you; you are my servant; O Israel, you will not be forgotten by me.
For the sake of my servant Jacob, and Israel my chosen, I called you by your name, I name you, though you do not know me.
Go out from Babylon, flee from Chaldea, declare this with a shout of joy, proclaim it, send it out to the end of the earth; say, "The Lord has redeemed his servant Jacob!"
And he said to me, "You are my servant, Israel, in whom I will be glorified."
1 Midrash Rabbah (Numbers XXIII.2), Zohar (Genesis, & Leviticus), Talmud (Brochos 5a), Rashi, Joseph Kara, Ibn Ezra, Joseph Kimchi, David Kimchi, Nachmanadies, Abarbinbanel, et all
2 Ibn Ezra on Isaiah 53
3 Origen, Contra Celsum, Chadwick, Henry; Cambridge Press, book 1, chapter 55, page 50
Isaiah 53:10 − The Hebrew Tanakh says “And the Lord wished to crush him, He made him ill; if his soul makes itself restitution (acknowledge guilt) he shall see children, he shall prolong his days and God’s purpose shall prosper in his hand.”
But the KJV says:: “Yet it pleased the Lord to bruise him; he had put him to grief: when thou shall make his soul an offering for sin, he shall see his seed, he shall prolong his days and the pleasure of the Lord shall prosper in his hand”