1. A party district leader in Nazi Germany who also was a provincial governor. 2. One who is likened to a gauleiter, especially someone who is dictatorial, overbearing, or intolerent of dissent or opposing views.

From the German words gau, meaning district, and leiter, meaning leader.
There are some leaders in a organization who are regular gauleiters.
by The Thinker September 25, 2006
A uprising homophobe and racist party in Bingen, Germany, with its leader, Daniel.
Their main focus is to, in the underground, "clean the world from its grease"
The Gauleiter party has continued to clean the city even more
by MyMannnnn May 24, 2022