(1) The tour leader, also referred to as the tour escort in Central America, or tour conductor in Japan, is assigned by the travel service to escort the ( ) tour group. He escorts the tour group all the way from the origin Country to the destination Country until they come back safely. He supervises the contract obligations of the local travel agency in the destination county. (2) The national guide is assigned by the travel service at the tourist origin. He is in charge of the( ) work for the tour group who travels to the destination, supervises the implementation of the contract by the local travel agency, and take tourists back safely to the origin (3) The local guide is assigned by the local travel agency. He meets the tourists and provides the local guiding service including sightseeing, transport, accommodation,( ) and so on.