和英辞書

乱波

noun

A spy. Especially, during the Warring States Period, a brigand recruited by a daimyō to work as a spy. / A ruffian.

乱波がその秘密を暴露した。

The spy revealed the secret.

意味（1）

A spy. Especially, during the Warring States Period, a brigand recruited by a daimyō to work as a spy.

つまり、乱波(らっぱ)ですね。 人心(ひとごころ)を攪乱(こうらん)し、その機(き)に乗(じょう)じて、事(こと)を謀(はか)る

Tsumari, rappa desu ne. Hitogokoro o kōran shi, sono ki ni jōjite, koto o hakaruIn other words, we're hired spies, aren't we? We cause confusion, and devise a plan that takes advantage of that opportunity.

意味（2）

A ruffian.