What's the difference between taunter and vaunter?

Taunter

Definition:

• (n.) One who taunts.

Example Sentences:

• (1) Referring to him as the 'Ned Kelly of the digital age', Bryce Lowry said: "Assange is a cyber bushranger: a renegade taunter of authority and inspiration to many who marvel at his daring to challenge the status quo."

Vaunter

Definition:

• (n.) One who vaunts; a boaster.

Example Sentences: