lackey

Short definition from Wiktionary

Noun

1. 1
   A footman, a liveried male servant.
2. 2
   A fawning, servile follower.

Verb

1. 1
   To attend, wait upon, serve obsequiously.
2. 2
   To toady, play the flunky.

Proper noun

1. 1
   A surname.