yeoman/Yeoman of the Guard/yeomanry/yeoman's service
some of these terms have historical (yeoman, yeomanry, yeoman's service) or official (Yeoman of the Guard, yeoman) meanings that defy substitution, but others can be variously replaced: retainer, attendant; military corps personnel attached to the British royal household; smallholding/freeholding farmer, smallholder, freeholder; petty officer, clerical officer; clerk, paralegal, typist, copyist, transcriber; helper; beefeater, warden, bodyguard. See also yeoman's job.
