collaborator with Nazi Germany

generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"

Class: collaborator with Nazi Germany

A collaborator with Nazi Germany is an individual, group, or government that actively cooperated with or supported the policies, military efforts, or occupation authorities of the Third Reich during its period of power, often to gain advantage or out of ideological alignment.