in group, n.Definitions

In-group (n.) needs ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠its out-group: no one knows he is among the "nice" or "saved" without a supply of "nasty" or "damned" to discuss at dinner.