slanderer

例句：

1. 1. The judge was accused of slander by the plaintiff.
   原告指控法官诽谤。
2. 2. He was a notorious slanderer who spread false rumors about his colleagues.
   他是一位臭名昭著的诽谤者，散布关于同事的虚假谣言。
3. 3. The company's reputation suffered due to the slanderer's malicious lies.
   由于诽谤者的恶意谎言，公司的声誉受到了损害。