sycophant
/ˈsɪkəfænt/
noun
Meaning
One who uses obsequious compliments to gain self-serving favor or advantage from another; a servile flatterer.
One who seeks to gain through the powerful and influential.
An informer; a talebearer.
Synonyms
verb
Meaning
To inform against; hence, to calumniate.
To play the sycophant toward; to flatter obsequiously.