As you cannot agree that Jesus is the Christ we really don’t have a common point of reference in which to discuss other issues of faith.
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Yeshua is the messiach! The only begotten Son of Yehova.
The “christ” is the now dead sungod of Easter fame (Husband and son of Ishtar/Semiramis)
How do you define sin if the apostles were wrong?
And what makes you believe they could be wrong?