How Well Do You Know English Slang?
"Communist agent or spy," 1941, originally in writings of Arthur Koestler, from Russian, from apparat "political organization" (see apparat). Russian plural is apparatchiki.
An aide, staff member, etc, esp of a ureaucrati sort; flunky; running dog: the politicians and their technocratic apparatchiki on both sides
[fr Russian, ''member of the Communist party, or apparat'']