A servile person is someone who is excessively submissive and obedient, often to an authority figure. A FAWNER is a servile person who flatters or obsequiously admires someone in order to gain favor. A FLUNKEY is a servile person who performs menial tasks for someone else. A CREEP is a servile person who behaves in an obsequious manner. Lastly, a TOADY is a servile person who acts obsequiously in order to gain favor or advantage.