noun. One who calumniates or slanders; one who falsely and knowingly accuses another of anything of a disgraceful character, or maliciously propagates false accusations or reports.

noun. Synonyms Slanderer, defamer, backbiter, libeler, detractor, traducer.

noun. One who calumniates.

noun. A person who calumniates.

""'There is another deity,' continued Har, 'reckoned in the number of the Æsir, whom some call the calumniator of the gods, the contriver of all fraud and mischief, and the disgrace of gods and men."

aspersion  babbler  backbiter  barracoon  betrayer  

defamer  libeler  slanderer  traducer