queuer
A queuer is a person or entity that participates in a queue, which is a line or sequence of items or entities waiting for a service or process. Queuers can be found in various real-world and computational contexts. In a physical setting, a queuer might be a customer waiting in line at a store, a passenger waiting for a bus, or an individual waiting for an appointment. The act of queuing is a common social and logistical practice used to manage demand and ensure fairness in access to limited resources.
In computing, a queuer refers to a process or data structure that manages a sequence of tasks,