ALL CHRISTIANS - Has Elijah returned or not?, page-172

First, Jesus claimed to be one with God in the sense of being equal to Him.

If I was commissioned to carry out a very important task on behalf of the CEO of a company, I can say that I am one with the CEO. The CEO may say that I speak on his behalf, and that I am one with him. This doesn't make me the CEO. Besides Jesus actually said "the Father is greater than me", so where does that leave your Christian friend?
Secondly, where does it say that the Father is God?
Thirdly, the Jews were good at misunderstanding Jesus. Throwing stones at Him could easily represent a misunderstanding rather than an acknowledgement that something is true.

I also see that your Christian friend didn't address the "image" verse from 1 Col

There's too many variables in the good old Christian friends letter.
Nothing is definitively true.

Kam