回まわし者もの

noun

spy; secret agent

Refers to a person sent by an enemy or rival group to gather information or act undercover. Often used in historical or dramatic contexts.

See also: 間諜

• 敵てきの回まわし者ものが城しろに潜せん入にゅうした。

  An enemy spy infiltrated the castle.

noun

shill; stealth advertiser

Modern colloquial use for someone who pretends to be a genuine customer or supporter while secretly promoting a product, service, or idea. Often used in online contexts.

• あのレビューは回まわし者ものが書かいたものだ。

  That review was written by a shill.