Well, if you are religious, you might go with Judas Iscariot.
But anyways, there are many misunderstood people in History. It can't really be just a single individual. I would say that Genghis Khan was ONE OF the most misunderstood persons in history. He <span>understands incorrectly while thinking one has understood correctly. His hometown was at </span><span>Temüjin, was the patron and Great Khan emperor of the Mongol Imperialism/Empire.</span>