On a private jet, the flight attendant is typically called a Cabin Attendant, Flight Attendant, or more specifically, a Cabin Service Manager or Chief Steward/Stewardess.
However, in the world of private aviation, the most common and preferred term is simply Flight Attendant or Cabin Attendant. The role is often more expansive than on commercial flights, involving:
You might also hear the informal term “Stew” (short for steward/stewardess) used within the industry.
Key difference: While on a commercial airline the crew works for the airline, on a private jet, the flight attendant is often employed directly by the aircraft owner or is part of the fixed crew hired by the management company. They are a key part of a small, dedicated team focused on a handful of ultra-high-net-worth clients.