Tourism is defined by the WTO as the movement of people outside their normal places of residence for personal or business purposes. Tourism can be internal, within a country, or external, outside a country.
The first example of someone who would not be considered a tourist is a refugee. Refugees are people who have been forced to leave to leave their countries because they have "well-founded fear of being persecuted" for specific reasons. Refugees are not tourists because they are not traveling voluntarily.
A second example is migrants. A migrant, unlike a tourist, is attempting to move permanently from one country to another with no intention of returning over the short term to their previous country of residence.
Expatriates: Expatriates are also people who have moved outside their countries of residence and put down roots in new locations, such as British pensioners living in Spain or Portugal. As they are likely to own homes and follow other shopping and economic patterns of settled residents, they are not normally considered tourists.
ALSO BUSINESS PEOPLE, CONFERENCE GOERS, AMBASSADORS AND OTHER POLITICAL WORKERS, DEPORTEES AND MANY MORE.