Sentence:  The infamous Wansee Conference called by Heydrich in January 1942 , to organize the material and technical means to put to death the eleven million Jews spread throughout the nations of Europe , was attended by <WSD>representatives</WSD> of major organs of the German state , including the Reich Minister of the Interior , the State Secretary in charge of the Four Year Plan , the Reich Minister of Justice , the Under Secretary of Foreign Affairs . 
Meaning of the word marked with <WSD> tags:  an advocate who represents someone else's policy or purpose