Sycophant
Part of speech: noun
Definition: One who uses compliments to gain self-serving favor or advantage from another. One who seeks to gain through the powerful and influential.
Lackey
Part of speech: noun
Definition: A footman, liveried male servant.A fawning, servile follower; a lickspittle.
Part of speech: verb
Definition: To attend, wait upon, serve obsequiouslyTo toady, play the flunky