A lord, a master. The word is often affixed to titles expressive of rank, as Raja Saheb, Collector Saheb. [P Ramanatha Aiyer’s The Law Lexicon]

A master, a lord, companion; in Hindustani, the usual designation and address of a respectable European, like Mister, Sir. When European authorities are spoken of collectively, they are sometimes termed Sahiban-aalishan, most exalted gentlemen. [P Ramanatha Aiyer’s The Law Lexicon]