What Does Gauleiter Translate to?

Any overbearing or unpleasant official, especially a local official. Etymology: From German Gauleiter, from Gau 'administrative division' + Leiter 'leader'.

What did a Gauleiter do?

A Gauleiter was a representative of the Nazi Party who served to co-ordinate regional Nazi Party events and also served to “advise” the local government in theory. But they were the unquestioned rulers of their particular areas of responsibility.

What means Reich?

noun. (with reference to Germany) empire; realm; nation. the German state, especially during the Nazi period.