If someone disagrees with you, it doesn't mean he's wrong.

If someone believes something different about Yeshua than you, it doesn't mean he's wrong. Nor does it mean he's worshiping a different god.

If someone has a different understanding of the internal structure of God (I'm coining a new word: theotomy), it doesn't mean he's wrong or that he's worshiping a different god.

The Scriptures are vague about many things. They tell us a lot about the character of God, but almost nothing about his theotomy. Don't be so convinced of yourself that you lose sight of the possibility that you are the one who is wrong.