The term "Barmaster" can be substituted by several synonyms to refer to a person in charge of a bar or pub. The most commonly used synonym is "Bar Manager," which is often used to describe someone who has complete control over the operations of a bar. Other synonyms include "Bar Supervisor," "Bar Coordinator," and "Bar Director," all of which describe someone who supervises the work of bartenders and manages the overall functioning of a bar. Additionally, "Pub Keeper," "Tavern Owner," and "Bar Owner" are also used to define someone who is responsible for the day-to-day running of a bar. Whatever the synonym used, it's important to acknowledge the significant role that a Barmaster plays in making a bar or pub successful.