The word for today is…
henchman (noun):
1a : a trusted follower : a right-hand man
b : a political follower whose support is chiefly for personal advantage
c : a member of a gang
2 obsolete : a squire or page to a person of high rank
Source : Merriam -Webster
Etymology : The earliest known examples of henchman show it being used as a term for a squire or a page, but the word may have seen earlier use with the meaning “groom.” It first appeared in Middle English and is a combination of Old English hengest (“a male horse”) and man. One of the duties of a groom, squire, or page to a person of high rank was tending horses, and such a person was relied upon, which influenced the broader senses of henchman including “right-hand man.”
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