I think we need to understand one important priciple principle fundamental to Christianity , in order to understand if whether Jesus is God or he is just a "representative"on Earth. And that principle is understanding "Trinity". Read this article on '''Understanding the Trinity''' -------------------------------------------------------------------------------- '''By Matt Perman'''
"The doctrine of the Trinity is foundational to the Christian faith. It is crucial for properly understanding what God is like, how He relates to us, and how we should relate to Him. But it is also something that raises many difficult questions. How can God be both one and three? Is the Trinity a contradiction? If Jesus is God, why do the Gospels record instances where He prayed to God?