Biblical or Divisive: Should Christians Call Others “Nominal Christians?”

UPDATE (1/9/17): After speaking with the same friend, I decided it would be best to update this blog. While my thoughts were clear, I think it's worthwhile to have additional biblical support for my position. For transparency, I'll leave all updates in blue font. While having a conversation with a close brother in Christ, we broached the topic of whether or not Christians should call out, or...