Isa.62:2 says that Gods chosen people would be called by a new name.
Acts 4:12 speaking about Jesus says their is not another name under heaven that has been given among men by which we must be saved.
Phil.2:9-11 , 10 " So that in the name of Jesus every knee should bend of those in heaven and those on earth and those under the ground"
Note : Not in Jehovahs name but in Jesus name.
Acts 11:26 "by divine providence disciples of Jesus were called Christians"
Note : By DIVINE PROVIDENCE they were called Christians and NOT Jehovah`s Witnesses .
and finally after Isa.43: 10-12 The Jews never identified themselves as Jehovah`s Witnesses and Jesus never gave his followers that designation.