catflap.org Online Dictionary Query

  be bound by contract to sb. /biː bˈaʊnd baɪ kˈɒntɹakt tʊ ˌɛsbˈiː/
  vertraglich an jdn. gebunden sein
   see: contractually, by contract/agreement, by treaty, according to the contract/agreement, contracted, be bound by contract/liable under a contract to do sth., work on contract, contract work, salary as agreed by contract, place as provided for by contract, as contracted, at the time provided for by the contract