The sisters are warned to not trust Harry, so they concoct a plan to see if he is telling the truth; Harry soon realizes that the sisters are up to no good and tries to help before it's too late; the sisters struggle with their new roles.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.