contractor

Noun
  1. Someone (a person or firm) who contracts to build things (synset 109980167)
  2. The bridge player in contract bridge who wins the bidding and can declare which suit is to be trumps (synset 109980491)
  3. (law) a party to a contract (synset 109980370)
  4. A bodily organ that contracts (synset 105297100)

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