noun
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
敵の回し者が城に潜入した。
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.
あのレビューは回し者が書いたものだ。
That review was written by a shill.