WordNet
walking delegate
n. a union representative who visits workers at their jobs to see whether agreements are observed
Usage examples of "walking delegate".
I was the walking delegate of this strike, the leader of the victims' rebellion, the defender of the oppressed, the disinherited, the exploited—.
These strikes though, never seem to me to do any real good to the cause of the strikers, and a great many of the men realise that too, but these walking delegate fellows get 'round 'em and persuade 'em that a strike is going to end all their troubles--and so it goes.