There are three reasons why an omnipotent and perfectly good God might choose to become incarnate (to become human, as well as divine). ... The second reason is to identify with our suffering, and the third is to reveal to us moral and theological truths that we need for living.
What are the 4 purposes of the Incarnation?
There is a fourfold statement of purpose declared in the New Testament: the purpose to reveal the Father; the purpose to put away sin; the purpose to destroy the works of the devil; and the purpose to establish by another advent the Kingdom of God in the world.