myrmidon

noun1

1. •
   A soldier or a subordinate civil officer who executes orders of a superior without protest or pity (sometimes applied to bailiffs, constables, etc).

   • Antonia bustled round the ransack'd room, / And, turning up her nose, with looks abused / Her master, and his myrmidons, of whom / Not one, except the attorney, was amused; […] — 1819

noun1

1. •
   One of a fierce tribe or troop who accompanied Achilles, their king, in the Trojan War.