Hākim means a ruler, governor or judge. As with many titles, it also occurs as a part of the names of many individuals.
In Arab countries
In Lebanon, the full title of the Emirs under Ottoman (and a while Egyptian) sovereignty was al-Amir al-Hakim 1516–1842
In three future Gulf emirates, the first monarchic style was hakim:
since 1783 when the conquering Al Khalifah lineage settles on Bahrain to 16 August 1971, its style was Hakim al-Bahrayn "Ruler of Bahrain", then Amir ad-Dawlat al-Bahrayn "Emir of the State of Bahrain", since 14 February 2002 Malik al-Bahrayn (King of Bahrain)
in Kuwait, since its 1752 founding, the ruling Al Sabah dynasty's style was Hakim al-Kuwayt "Ruler of Kuwait" (from 1871 also Kaymakam, i.e. district administrator, while recognizing the sovereignty of the Ottoman Empire (as kazan of Baghdad vilayet (seats of the governors, styled Wali, in Iraq], till 3 November 1914, then under British protectorate) till the 19 June 1961 independence, after that (still) Amir ad-Dawlat al-Kuwayt......