During a fire drill at a large corporate headquarters, an employee named Julian is instructed by a person wearing a high-visibility jacket and carrying a clipboard to stand in a specific corner of the car park, far away from the designated assembly point. Despite knowing this is not the official meeting area, Julian complies without question. Later, when a colleague in standard office wear tells him to move to a different area, Julian refuses.

Discuss the legitimacy of authority explanation for obedience. Refer to Julian's behaviour in your answer.