Maybe the question should be changed to What is God? When Moses asked the answer was "eyeh asher eyeh" which is unstranslatable in modern languages, it COULD be interpreted as " I was, I am, I will be whatever, whenever and whomever I want" so it's not of your business! And yet, thousands of years later the New Testament says Moses got in touch with an angel at the burning bush... the same one in Old Testament mentions was the angel with God's name within him.....

And yet, how could we trust if even Zephaniah and Zachary admitted the Law (read Torah or first 5 books of the Bible and perhaps Psalms) were ALTERED by priests who lied and changed the word into a lie.