From Wiktionary, the free dictionary
Persian مهماندار (mehmândâr), compound of مهمان (mehmân, “guest”) and ـدار (-dâr, “keeper, holder, one who has”).
mehmandar (plural mehmandars)
- An official courier appointed to escort an important traveller in Persian-speaking countries and the Indian subcontinent.
1974, Guy Davenport, Tatlin!:His mehmandar stood by, fresh as a clover from their walk, his arms crossed on his Aiantian chest.