[volunteer] Hiwi (ˈhiːviː) is a German abbreviation meaning `voluntary assistant` (`Hilfswilliger``, ``willing to help``). Following Operation Barbarossa in World War II, the term Hiwis` acquired a thoroughly negative meaning. Between September 1941 and July 1944 the SS began training and deploying collaborationist auxiliary police recru...
Found on http://en.wikipedia.org/wiki/Hiwi_(volunteer)


Hilfsfreiwillige - German Army volunteer forces usually made up of Soviet volunteers
Found on http://www.secondworldwar.co.uk/glossh.html
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