Giaour, Gawur or Ghiaour written gâvur in modern Turkish, is an offensive ethnic slur used by Muslims in Turkey and the Balkans to describe all who are non Muslim, with particular reference to Christians like Greeks, Armenians (գյավուր), Bulgarians (Гяур), Serbs (Kaurin) and Assyrians.
The word is a Turkish adaptation of the Persian ghebar, a parsi. The term is considered highly offensive by Christians in the Balkans.