#rescuer__recoverer__saver  someone who saves something from danger or violence
  supertype:  #person__individual__someone__somebody__mortal__human__human_being__humanbeing__soul  a human being; "there was too much for one person to do"
  subtype:  #salvager__salvor  someone who salvages
  subtype:  #succorer__succourer  someone who gives help in times of need or distress or difficulty

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