#professional__pro  an athlete who plays for pay
  exclusion:  #amateur.athlete
  supertype:  #athlete__jock  a person trained to compete in sports
  subtype:  #free_agent  (sports) a professional athlete who is free to sign a contract to play for any team
  subtype:  #semiprofessional__semipro  an athlete who plays for pay on a part-time basis

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