FROSTER is a job title that is used in the food service industry. It is an acronym for Frozen Food Server, and it refers to someone who is responsible for stocking and serving frozen food items. This includes items such as ice cream, frozen yogurt, and other frozen desserts. The job requires the person to be able to work quickly and efficiently in order to keep up with customer demand. They must also be knowledgeable about the products they are serving and be able to answer any questions customers may have.