rumormonger

n.

造谣者，散布谣言者；

1. Then, the onus is on the rumormonger to explain themselves.
   于是造谣者就有义务为自己辩解。

Her majesty's rumormonger
Nipping the Rumormonger - Communications
Nipping the Rumormonger
Rumormonger forfeits any claim to hospitality
Rumormonger: The Dance World According to Guy Gerber
Railway terrorist rumormonger seized
Internet rumormonger gets 3-year jail term
Here's to you, Mr. Scurrilous Rumormonger publishing under a respected masthead
A TEACHER AND A RUMOR-MONGER
Confessions of a Rumor Monger: Be Wary of Statistics on Success Rates