Final answer:
The term 'Khoja' for Ismailis from the Indo-Pak subcontinent originates from Persian, given by Aga Khan I to organize the community.
Step-by-step explanation:
The Ismailis of the Indo-Pak subcontinent, also known as Khoja, have a title with an interesting origin. The term Khoja is derived from the Persian word 'Khawaja' which means 'master' or 'lord'. This title was provided to the Ismailis by Aga Khan I, who helped to organize the community's religious and communal affairs during his leadership.