Japanese historians like Uematsu, Sugiyama and Morita criticized the perception that a four class system existed under Mongol rule and Funada Yoshiyuki questioned the very existence of the Semu as a class [REF].
A rich merchant from the Ma'bar Sultanate, Abu Ali (P'aehali) 孛哈里 (or 布哈爾 Buhaer), was associated closely with the Ma'bar royal family.