He was a war monger, trying to take away from others and trying to acquire all he could. He had just the opposite philosophy from that of God. In other words, he had the philosophy of the devil. The king of Babylon was the devil's instrument and tool. Rebellion of Lucifer Things are said about the great former cherub, the devil, that could not be said about a human being.
Lucifer means shining one, or shining star of the dawn.
God names things or people, or beings what they are. He was a great cherub whose duties were represented by the bright morning star. He was a light bringer. In other words, one who had great knowledge and truth and light, and who was to give it to those who were placed under him. He was placed in a certain rule and authority over angels.