Temporary institutions

upright=1.35|thumb|16th century Swedish regent Sten Sture the Younger|Stenonis Sture and wife [[Christina Gyllenstierna who both operated in strong resistance to Danish rule during the Kalmar Union]] upright=1.35|thumb|The oath of the provisional triumvirate|triumviral regents of the [[Empire of Brazil on behalf of the 5-year-old Emperor Pedro II in 1831, at the beginning of the Regency period.]] In a monarchy, a regent () is a person appointed to execute the office of a monarch temporarily, essentially as a substitute ruler. Regencies may arise for a number of reasons, including the monarch b

type of temporary government

person temporarily exercising the powers of an office without formally holding it, while the office is vacant or its holder is indisposed

temporary provision of management resources and skills

coach temporarily in charge of a team

person who serves as president when an incumbent is unavailable

A locum, or locum tenens, is a person who temporarily fulfills the duties of another; the term is especially used for physicians or clergy. For example, a locum tenens physician is a physician who works in the place of the regular physician. In the Catholic Church, an example of a locum tenens is an apostolic administrator, often a bishop who temporarily governs a vacant see until a new ordinary is appointed.