#brother  a male person who is a fellow member (of a fraternity or religion of other group); "none of his brothers would betray him"
  supertype:  member  one of the persons who compose a social group (especially individuals who have joined and participates in a group organization); "only members will be admitted"; "a member of the faculty"; "she was introduced to all the members of his family"
  subtype:  Freemason  a member of a widespread secret fraternal order pledged to mutual assistance and brotherly love
  member of:  fraternity__brotherhood  people engaged in a particular occupation; "the medical fraternity"

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