qí
(literary) good luck; good fortune
(used in formal letter-ending phrases and in personal names)
商祺
shāng qí
May your business prosper! (formal letter-ending phrase)
段祺瑞
duàn qí ruì
Duan Qirui (1864-1936), commander of Beiyang Army under Yuan Shikai, then politician and powerful warlord