Ustad (Persian: ?????; /ostɑ?d/, master or teacher; Arabized: ????? ustadh), a Persian word,al-Ostath/al-Istath (Lisan al-Arab--The Tongue of Arab, by Ibn Mandhoor, 1232 ~ 1311 AH) is an honorific title for a Muslim man in South Asia. The title precedes the name and is usually used for well-regarded teachers and artists, most often musicians.