The word "aubergiste" is a French term that refers to an innkeeper or a hostel owner. However, there are many other words that can be used as synonyms for this term. For example, a "hotelier" is someone who owns or manages a hotel or other lodging establishment. A "caretaker" may also be used to describe someone who is responsible for maintaining and managing a property. Additionally, "host" or "hostess" can be used to describe someone who welcomes guests into their home or property. Other synonyms for "aubergiste" might include "guesthouse owner," "bed and breakfast proprietor," or "boarding house manager".