A cult is a sub-group that claims the beliefs of its parent, but deviates from the main doctrine of the parent.
For instance, many consider the Eastern Lightning a Christian cult This because it claims to follow the doctrine of Christianity, but argues that Jesus has returned in the form of a woman.
The Arian movement is also considered a Christian cult, as it denies the triune God.
Do Christian cults challenge the truth of Christianity?
As with any ideology, it is inevitable that variants would crop up. Even in atheistic philosophy such as Communism, there are many deviants like Leninism and Stalinism.
However, just as a counterfeit bank note does not disprove the existence of a real Singapore note or the Monetary Authority of Singapore, cults do not bring into doubt religious belief.
If anything, they should make us examine closely our own beliefs.
