The tour leader adopts an authoritative position in relation to you as client and for the peace of mind and safety of everyone on the trip, must be adhered to at all times during the trip. By booking the trip, you abide to be bound by the decisions and leadership of the tour leader at all times.
Similarly it is your obligation to behave in a responsible manner throughout the trip and any illegal, unwarranted, or inappropriate behavior on your behalf and/or any behavior which constitutes a nuisance can result in your trip being terminated with immediate effect and without any recourse to a refund.