Check your verse. It probably says "Jehovah" forgives.
Your first problem is that you're intentionally altering the verse by removing God's name. Yes, I realize that you're Jewish and that's what rabbi's teach out of respect.
But did you ever stop to consider just how far Jewish authorities go in the altering of scripture? As an auditor, if anyone ever presented to me a set of financial statements that had intentional alterations, I would be forced to reject them on their face due to the risk involved that no part of them can be relied upon.
As a person who bases their entire life's course on scripture, you need to be even more careful and exacting in your own beliefs. If God chooses to send a messiah (as the OT clearly says he has), who are you to question his motives?
Read Isaiah 53. Your people wrote it, not ours. You have no right or authority to remove it from your book, alter it's wording or read into it any meaning not explicitly intended by the original writer. See for yourself the kind of messiah that God told Isaiah he would send.
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There is nothing respectful about the intentional alteration of scripture. The only possible result is confusion. If you're going to speak for the tenakh, you are obligated to speak for it in good faith or stand guilty before God.
Your choice.
