Verein

Verein is a German word, sometimes translated as union. See:

Eingetragener Verein — a registered voluntary association under German or Austrian law;
Förderverein
Swiss Verein — a voluntary association under Swiss law, not necessarily registered;
Voluntary association

This disambiguation page lists articles associated with the same title.
If an internal link led you here, you may wish to change the link to point directly to the intended article.