#fraternity__brotherhood  people engaged in a particular occupation; "the medical fraternity"
  supertype:  socio-economic_class__class__clas__socialclas  people having the same social or economic status; "the working class"; "an emerging professional class"
  member:  brother  a male person who is a fellow member (of a fraternity or religion of other group); "none of his brothers would betray him"
  member:  sodalist  a member of a sodality

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