The responsibilities of a Ground Staff member include assisting passengers with check-in and boarding procedures, ensuring the safe and efficient movement of aircraft on the ground, handling baggage and cargo, coordinating with flight crews and ramp personnel, and providing excellent customer service. Key skills for Ground Staff include knowledge of air charter operations, air ticketing, aircraft maintenance, and aviation regulations. Strong customer service skills are essential, as well as the ability to handle challenging situations with professionalism and courtesy.