(Noun) A member of a bodyguard or retinue; a faithful follower; one of a group or team of attendants, servants, or assistants.

In Context

“The ruling Dey was a mere puppet, and in the event of his displeasing them in any way, he was at once replaced by a myrmidon from the ranks.”

Ernest Gambier-Parry, Sketches of a Yachting Cruise, 1889.