henchman

noun4

1. •
   A loyal and trusted follower or subordinate.
2. •
   An assistant member of a criminal gang.

   • Johnny Genaro, chief of staff to Al Capone, was “put on the spot” in a crowded street in Chicago on Saturday night. — 1931
3. •
   A person who supports a political figure chiefly out of selfish interests.

   • In appreciation for his service of railroading Frank, the power-brokering Watson sent his venal henchman Dorsey to the U.S. Congress for two terms . — 1998
4. •
   (no longer used) A page to a prince or other person of high rank.

   • Henchmen had placed, as was their habit, each warrior's gear and trappings above his pile of skins. — 1961