#public_servant  someone who holds a government position (either by election or appointment)
  supertype:  #employee  a worker who is hired to perform a job
  subtype:  #social_worker__caseworker__welfare_worker__welfareworker  someone employed to provide social services (especially to the disadvantaged)
     subtype:  #almoner__medicalsocialworker  an official in a British hospital who looks after the social and material needs of the patients

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