The answer to this question is given right in the verse…
Revelation 1:20 “As for the mystery of the seven stars which you saw in My right hand, and the seven golden lampstands: the seven stars are the angels [messengers] of the seven churches, and the seven lampstands are the seven churches.”
The link in the question details leads to a web page that contains writings by someone who considers himself to be Jesus Christ. Christians do not follow “other” Christs than the Great Shepherd whose voice we know.
“God is not the author of confusion, but of peace…” (1 Corinthians 14:33). The writings on ...