#deputy.assistant__lieutenant  an assistant with power to act when his superior is absent
  supertype:  assistant__helper__help__supporter  a person who contributes to the fulfillment of a need or furtherance of an effort or purpose; "my invaluable assistant"; "they hired additional help to finish the work"
  subtype:  second-in-command  someone who relieves a commander
  subtype:  vicar-general__vicargeneral  (Roman Catholic) an administrative deputy who assists a bishop
  subtype:  vice-regent  a regent's deputy

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