A vizier (sometimes spelled vazir, vizir, vasir, wazir, vesir, or vezir )'s a high-ranking political (and sometimes religious) advisor or minister, often to a Muslim monarch such as a caliph, or sultan. It sometimes refers to ministers and advisors of the Persian Empire's Shahs. In modern usage, the term has been used in Western Asia for certain important officials. It's also used anachronistically in a modern Islamic republic's cabinet, and to describe pre-Islamic offices. The term literally m… (More on Vizier)