Booi Aha (Manchu: ᠪᠣᠣᡳ ᠨᡳᠶᠠᠯᠮᠠ (booi niyalma) for male, ᠪᠣᠣᡳ ᡥᡝᡥᡝ (booi hehe) for female; Chinese transliteration: 包衣阿哈) is a Manchu word literally meaning "household person", referring to hereditarily servile people in 17th-century Qing China. It is often directly translated as "bondservant", although sometimes also rendered as "slave" ("nucai").