Minister
From Memory Alpha, the free Star Trek reference.
Minister is a title given to a representative of a government (usually parliamentary) or organization. In a governmental structure, ministers are granted authority over certain areas of society (for example, Minister of Agriculture).
During the 22nd century, individuals possessing the title minister in the Vulcan High Command worked under the Administrator. (ENT: "Kir'Shara", "United") The title remained in use as late as the 24th century, when the head of Vulcan security, otherwise known as the V'Shar, held the of title of Minister. (TNG: "Gambit, Part II")
The Bajoran Provisional Government's senior posts were held by ministers who met in the Chamber of Ministers and served under the First Minister. (DS9: "The Siege", "Rapture") There was also a position of Minister of State in the Bajoran government. (DS9: "Duet")
