He is a mongerer of rumors.

There are many mongerers in the market.

Fear mongers spread false information to create fear and panic.

The woo-mongers gathered at the conference to discuss their strategies.

The miracle-mongers claimed to have the power to perform extraordinary feats.

There are many dictionary-mongers in the library.

The profit mongers are always looking for new ways to increase their earnings.

The trouble-mongers caused chaos at the event.

Rumor mongers spread false information to create panic.

The doom-mongers predicted the end of the world.