She does, however, have years of experience as a Princess Cruises employee, so she is legitimately part of the cruise. In 2019, Ezra became a Princess Cruises entertainer and in 2022, she started running the official TikTok account for the cruise line.
Her resume says she is technically a host for The Real Love Boat. So chances are, the bartender part of it all is just in title to make her part of the shtick.
Source: https://www.distractify.com/p/who-is-ezra-freeman-the-real-love-boat