When thinking about "service staff," there are a variety of synonyms that come to mind. One could use the term "waitstaff" if referring specifically to those who serve food in a restaurant. "Hospitality crew" is another alternative that encompasses those who provide service in the hospitality industry, including hotel staff and event organizers. "Customer service representatives" are another subset of service staff who work in a variety of industries and are responsible for addressing customer inquiries and complaints. "Housekeeping staff" are responsible for maintaining cleanliness in hotels and other facilities, and "concierge" is another term for a service staff member who assists guests with logistics and recommendations. These are just a few examples of the many synonyms that can be used to describe service staff.