An ancient tribe once roamed Africa named the "Moetea". However rare, it is without doubt you will find a member of this tribe in the most common of places, a restaurant, right here in the U.S.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.