There is only one God
The word ‘trinity’ does not appear anywhere in the Bible. The origin of the idea of a trinity goes back to the 5th century, and it forms part of the Athenasian Creed. The reference there to three Gods is not a quotation from the Bible, nor is there any quotation in the Bible like it. Neither is it claimed that the reference to three Gods even restates the teaching of the Bible. It is claimed that the Bible implies that the trinity exists. We do not accept this.
We read in Deuteronomy 6:4, “The Lord our God is one Lord”. There is no suggestion here of Jesus or the Holy Spirit being part of the Godhead – in fact Jesus had not even been born at this stage.