noun (n)

• a negotiator who acts as a link between parties

  negosiator yang bertindak sebagai hubungan antara pihak

  Synonym:
  go-between, intercessor, intermediary, intermediator
  

  source: wordnet30
• One who mediates; especially, one who interposes between parties at variance for the purpose of reconciling them; hence, an intercessor.

  satu yang mediates; khususnya, satu yang interposes antara pihak di varians bagi tujuan reconciling mereka; maka, sebuah intercessor.

  source: webster1913