In Engpsh, a rural reserve cadre is often referred to as a "backup cadre" or a "reserve cadre." This term typically refers to a person who has received training as a local leader or official in a rural area, and who is prepared to take on leadership roles in the event of a vacancy or emergency. In some cases, reserve cadres may be called upon to serve temporarily in leadership positions while a permanent replacement is being sought. The term "cadre" is derived from the French word "cadre," which means "frame" or "support." It is used in this context to refer to a group of trained and experienced individuals who are prepared to provide leadership and support for a particular organization or cause.