In the European policy agenda, a group belonging to one of the following categories:

• poor people;
• one-parent families;
• minorities;
• Roma;
• elderly people;
• people with disability;
• homeless;
• alcohol and drug abusers;
• early school leavers;
• long-term unemployed.

SOURCE: Glossary Quality in education and training, CEDEFOP, Luxembourg: Publications Office of the European Union, 2011.