lackey

v. serve, function as; grovel before, be servile in front of

n. servant; person who grovels

A lackey or lacquey is a term for a uniformed manservant, in its original meaning (attested 1529, according to the OED).The modern connotation of "servile follower" appeared later, in 1588 (OED).
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Noun
1. a male servant (especially a footman)
(synonym) flunky, flunkey
(hypernym) servant, retainer
2. a person who tries to please someone in order to gain a personal advantage
(synonym) sycophant, toady, crawler
(hypernym) flatterer, adulator
(hyponym) apple polisher, bootlicker, fawner, groveller, groveler, truckler, ass-kisser

(v.)
An attending male servant; a footman; a servile follower.
  

(v. t.)
To attend as a lackey; to wait upon.
  

(v. i.)
To act or serve as lackey; to pay servile attendance.
  

      ackley