al-Musta'in billah (en), Al-Mustain (fr), Al-Musta'in (es), Al-Musta'in bi-llah (de), Al-Musta'in (it)Additional labelsالمستعين بالله (ar), আল মুসতাইন (bn), Al-Mustaín (ca), ابوالعباس احمد مستعین (fa), אל-מסתעין הראשון (he), I. Al-Musztaín abbászida kalifa (hu), Al-Musta'in (id), ალ-მუსთაინი (ka), Al-Musta'in (nl), Al-Musta'in (pt), Ахмад аль-Мустаин (ru), Al-Musta'in (sh), Mustain (tr)