This is the 12205th most frequent German word.
vdk
The German abbreviation "VdK" stands for "Sozialverband VdK Deutschland," a social association advocating for social justice, disabled persons, and senior citizens.
Here 'VdK' refers to the Verband der Kriegs- und Wehrdienstopfer, a German social welfare organization, and its advocacy activities.
Der VdK setzt sich für soziale Gerechtigkeit ein.
The VdK advocates for social justice.
In this sentence, 'VdK' refers to the organization as a group in which someone holds membership.
Im VdK bin ich seit zwei Jahren Mitglied.
I have been a member of the VdK for two years.
The usage of 'VdK' here emphasizes the organization's contributions and initiatives.