Your job would involve:
welcoming the tour group at the start of their trip and informing them of travel arrangements and stopover pointsmaking sure all travel arrangements run according to plan, and that the accommodation, meals and service are satisfactoryhelping with passport and immigration issuesgiving spoken commentaries about places en route (local guides may also be used)promoting and selling excursions to tour membersadvising on sights, local restaurants and shops at each destinationrecording issues that may require follow-up after the tour.