Which of the following describes the responsibility of a wing walker?

The role of a wing walker is primarily focused on ensuring that aircraft are safely maneuvered around obstacles and that they have sufficient clearance during ground operations. This responsibility involves observing the aircraft's path and providing visual signals to the flight crew to avoid any potential hazards, thereby ensuring safety during taxiing or parking.

Selecting this option reflects an understanding of the specific safety measures involved in ground operations at an airport. Wing walkers play a crucial role in maintaining a safe environment by ensuring that the aircraft can navigate around other aircraft, ground vehicles, and infrastructure without incident.

The other responsibilities listed do not accurately reflect the duties of a wing walker. Directing aircraft movement pertains more to roles that involve leading the aircraft, monitoring baggage loading is related to the cargo handling side of operations, and checking fuel levels is typically a part of pre-flight checks conducted by ground support staff or maintenance crews. Each of these tasks is important in airport operations but falls outside the specific role of a wing walker, who is primarily dedicated to observing and ensuring clearance from obstructions.