Al-Afdal al-Abbas (Arabic: الأفضل العباس; r. 1363–1377) was a ruler of Yemen and a member of the Rasulid dynasty.
He produced a multilingual "dictionary" defining terms in Arabic, Persian, Turkic, Greek, Armenian, and Mongolian.
[1] He also took measures against extortion by local bureaucrats in the ports of the kingdom, thereby striving to maintain the attraction of Yemen in the eyes of foreign merchants.
He gave robes of honour to the ship captains, and abolished many things recently introduced by the collectors of taxes.
So the merchants departed recounting his praises and his abundant gifts in all quarters by land and by sea.