#donor.benefactor__giver__presenter  person who makes a gift of property
  supertype:  #benefactor__helper  a person who helps people or institutions
  subtype:  #abnegator  one who gives up or relinquishes or renounces something
  subtype:  #almsgiver  a person who gives alms
  subtype:  #Indian_giver  one who ask you to return the present he has given you
  subtype:  #philanthropist__altruist  someone who makes charitable donations intended to increase human well-being
     instance:  #Andrew_Carnegie__Carnegie  #Peter_Cooper__Cooper  #Ezra_Cornell__Cornell  #Solomon_Guggenheim__Guggenheim  #John_Harvard__Harvard  #Milton_Snavely_Hershey__Hershey  #Hopkins__Johns_Hopkins  #Andrew_William_Mellon__Mellon__Andrew_Mellon__Andrew_W._Mellon  #Alfred_Bernhard_Nobel__Nobel__Alfred_Nobel  #First_Viscount_Nuffield__Nuffield__William_Richard_Morris  #John_Davison_Rockefeller__Rockefeller__John_D._Rockefeller  #Cornelius_Vanderbilt__Vanderbilt__Commodore_VAnderbilt  #Elihu_Yale__Yale
  subtype:  #subscriber__contributor  someone who contributes (or promises to contribute) a sum of money
  subtype:  #subsidizer__subsidiser  someone who assists or supports by giving a subsidy
  subtype:  #tipper  a person who leaves a tip; "a generous tipper"

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