To ask about Jesus is to ask about the only entirely perfect person in human history. What the books of the Bible make clear is that Jesus was not only genuinely human but also genuinely God.
Jesus was, and is, the one true God, the Creator of the world and in fact the entire Universe. As a human being, Jesus lived a perfectly upright life and then died as a perfectly acceptable sacrifice for the forgiveness of the wrongdoings of all who ever have, or ever will, entrust themselves to him. To everyone of those people, Jesus is the ultimate Prophet, speaking the truth of God; the ultimate Priest, bringing them into a right relationship with God; and the ultimate King, ruling them and protecting them from all their enemies.