Answer:
out-group
Step-by-step explanation:
Out-group: In social psychology, the term "our-group" is described as one of the social groups to which an individual is not being identified.
In other words, an out-group is any of the groups to which an individual doesn't belong to and because of this stereotyping occurs. People generally see different out-group members as similar and treats them equally.
In the question above, the rest of society views Joshua's cult as an out-group.