#builder__developer__constructor  someone who contracts for and supervises the construction of a building
  supertype:  #creator  a person who grows or makes or invents things
  subtype:  #boatbuilder  a person who builds boats
  subtype:  #contractor  someone (a person or firm) who contracts to build things
     subtype:  #defense_contractor__defensecontractor  a contractor concerned with the development and manufacture of systems of defense
     subtype:  #hauler__haulier  a haulage contractor
        subtype:  #garbage_carter__garbagecarter__carter__garbage_hauler__garbagehauler  a hauler of garbage; "there is a web site where licensed carters and would-be customers can make connections"
     subtype:  #ship-breaker  a contractor who buys old ships and breaks them up for scrap
     subtype:  #subcontractor  someone who enters into a subcontract with the primary contractor
  subtype:  #homebuilder__housebuilder  someone who builds houses as a business
  subtype:  #jerry-builder__jerrybuilder  someone who builds cheap buildings out of poor materials on speculation for a quick profit
  subtype:  #road_builder  someone whose business is to build roads
  subtype:  #shipbuilder.builder  a person who builds ships as a business

No statement uses or specializes #builder; click here to add one.