They use terms like "unbelievers" and "worldly" to ostracize others who are not of the same faith. J-dumbs are not encouraged to actively show love to these people unless they are giving them magazines in the Failed Misery or having them at the Kingdumb Hell.
They severely limit associating with people who could add spice and variety to their lives. That is why they are all the same, brain dead robots who blindly serve the Borg.