GIAOUR
Etymology
Noun
giaour (plural giaours)
(derogatory, ethnic slur) A non-Muslim, especially a Christian, an infidel; especially as used by Turkish people with particular reference to Christians such as Greeks, Armenians, Bulgarians, Serbs and Assyrians.
Source: Wiktionary
Giaour, n. Etym: [Turk. giaur an infidel, Per. gawr, another form of
ghebr fire worshiper. Cf. Kaffir, Gheber .]
Definition: An infidel; -- a term applied by Turks to disbelievers in the
Mohammedan religion, especially Christrians. Byron.
Source: Webster’s Unabridged Dictionary 1913 Edition