0 someone who follows and obeys a powerful person or authority, even when this means doing bad things for them:
They each claimed that they were only doing their job - the standard reply from the myrmidons of authoritarian regimes everywhere.
Another meaning for the word myrmidon is a faithful follower who carries out orders without question.
In the economist's dream world there is a master figure who presses the right buttons at the right time, fed by statistics by his myrmidons.