Scientology would not require that their associates have to solely believe in Scientology, distinguishing it from biblical religions. Scientologists might profess perception in other religions, for instance Protestantism and Catholicism, and may get involved in their actions and sacred rites. Jacob Neusner emphasizes this within the segment on Scientology http://churchofscientologyperth03607.bligblogging.com/3095232/nearest-scientology-church-no-further-a-mystery