The term 'buffet servers' refers to individuals who are responsible for providing food and beverages to guests at a buffet-style event. The crossword solution for this term is 'URNS, ' which are containers used to store and serve food and drinks at such events. URNS are typically made of metal, ceramic, or glass and come in a variety of shapes and sizes. They are often used to keep food warm or cold, depending on the type of food being served.