In Acts 1:8, Jesus commissioned the Apostles to be His witnesses not witnesses of Jehovah. If you are a Jehovah's witness, unknowingly you admit that Jesus is YHWH God not the Spirit creature Archangel Michael. In fact, we must confess with our mouth that YHWH is Jesus (Romans 10:9-10) to be saved.
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Now when Jesus came into the parts of Caesarea Philippi, he asked his disciples, saying, Who do men say that the Son of man is? (Matthew 16:13 ASV)
Jesus Christ is Jehovah
We must confess WITH OUR MOUTH that Jesus is Jehovah to be saved.