Naib

A Navvab or Nawaab (Urdu: نوّاب‎), is an honorific title ratified and bestowed by the reigning Mughal Emperor to semi-autonomous Muslim rulers of princely states in South Asia. "Nawab" usually refers to males; the female equivalent is "Begum" or "Nawab Begum". The primary duties of a Nawab was to uphold the sovereignty of the Mughal Emperor alongside with the administration of a certain province.