Mubarak Al-Sabah cavalry commander of the Military of Kuwait in many operations, including several Ottoman campaigns; most notably: 1871, 1892, and 1894 campaigns into Hasa, Qatar, and southern Iraq. For his long service Mubarak received the title istabl-i amire payesi, “(Rank of) The Grand Equerry of his Imperial Majesty” in August 1879 for a campaign into Qatif and southern Iraq. He was given four more Ottoman honors as reward for his services in the Qatar campaign, though the value of his contributions are disputed. Although Mubarak was widely known for his ties with the British after his ascension to sheikhdom in 1896,
Rise of the Ottoman Empire and vassals. When the Ottoman polity first emerged at the end of the thirteenth century under the leadership of Osman I, it had a tribal organization without a complex administrative apparatus. As Ottoman territory expanded its rulers were faced with the challenge of administering an ever-larger population. Early on the Ottomans adopted the Seljuks of Rum as models, and by 1324 were able to produce Persian-language bureaucratic documents in the Seljuk style. The early Ottoman state's expansion was fueled by the military activity of frontier warriors (), of whom the Ottoman ruler was initially merely "primus inter pares". Much of