According to an American historian, John Bulter, Jawdar was a military figure of Portuguese descent.
[1] In 1637, he met with King Charles I to secure an agreement supporting the beleaguered dynasty.
[1] Amid internal strife, Mohammed esh-Sheikh es-Seghir relied on Jawdar to persuade King Charles I to aid the struggling sultanate against its adversaries.
[1] In England, Jawdar successfully negotiated a treaty with King Charles I, prohibiting English trade with Agadir, Essaouira, and Massa, which were not under Saadi control.
[1] In signing the agreement, King Charles I pledged to supply the sultan with battleships as required.