Bar tenders are people who work in bars, pubs, and other establishments that serve alcoholic beverages. They are responsible for preparing and serving drinks to customers, as well as providing customer service. They may also be responsible for stocking the bar with supplies, cleaning the bar area, and handling cash transactions. Bar tenders must have knowledge of a variety of alcoholic beverages, as well as the ability to mix drinks accurately and quickly. They must also be able to interact with customers in a friendly and professional manner.