第三者 [ㄉㄧˋ ㄙㄢ ㄓㄜˇ; di4 san1 zhe3]
  sb who is romantically involved with sb already in a committed relationship
  the other woman
  the other man
  third person
  third party (in dispute)
  disinterested party
  number three in a list
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  第三者
  だいさんしゃ
  noun (common) (futsuumeishi)
  third party
  third person
  outsider
  disinterested person
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