Jim Crow age group alien apartheid band battalion bevy body brigade bunch cabal cast clique cohort color bar company complement contingent corps coterie covey crew crowd detachment detail division ethnocentrism exclusiveness faction fleet foreigner gang group grouping groupment in-group insularity insulation isolation junta know-nothingism mob movement narrowness outcast outfit outsider pack parochialism party peer group persona non grata phalanx platoon posse quarantine race hatred racial segregation regiment salon seclusion segregation separation set snobbishness squad stable stranger string team tightness tribe troop troupe wing xenophobia