/ˈslændərər/ – Noun
Definition: kẻ vu khống, kẻ vu cáo, kẻ gièm pha.
A more thorough explanation: A slanderer is a person who maliciously spreads false spoken statements about someone with the intent to damage their reputation.
Example: The defendant was accused of being a slanderer for spreading false and damaging statements about the plaintiff.