Before Umar Mangus was appointed as a Kapitan Arab, most Arabs had decided to choose Sharif Abdullah ibn Husein Alaydrus, a rich merchant, famous for his generosity and had good behavior as well as prominent among the Arabs and the Europeans.
Sebelum Umar Mangus diangkat sebagai Kapitan Arab, sebagian besar orang Arab telah memutuskan untuk memilih Syarif Abdullah ibn Husein Alaydrus, seorang pedagang kaya yang terkenal karena kemurahan hatinya dan memiliki perilaku yang baik serta menonjol di antara orang-orang keturunan Arab dan Eropa.