segment, slice, class (of a society etc.)

group, company, class

class, category, group; detachment (of soldiers 100-200), company, batallion

mosque; class (in school); organization, party (as in political party or orginazation), group; crowd, meeting

characteristic, nature, property; special, excellent, choice (w/ plural: nobels / upper class people)

rank, authority, position, grade

grade, type, sex, gender