#smoker__tobacco_user__tobaccouser  a person who smokes tobacco
  exclusion:  nonsmoker
  supertype:  consumer  a person who uses goods or services
  subtype:  chain-smoker__chainsmoker  a heavy smoker (usually of cigarettes) who lights one off of another
  subtype:  cigarette_smoker__cigarettesmoker  a smoker of cigarettes
  subtype:  cigar_smoker__cigarsmoker  a smoker of cigars
  subtype:  pipe_smoker  a smoker who uses a pipe

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