noun. One who spreads rumors.

intransitive verb. To engage in the spreading of rumors.

noun. A person who spreads rumors and gossip.

verb. To spread rumors and gossip.

noun. a person given to gossiping and divulging personal information about others

"This is the same standard it's always been: verify information or you're a rumormonger (which can also be fun and more profitable than journalism)."

communicator  

blabbermouth  cat  scandalmonger  talebearer  taleteller  

a tale-bearing animal  blabbermouth  busybody  gossip  gossip