noun
communist witch-hunt; red-baiting; red scare
Refers to the persecution or suppression of communists and leftists, especially during the Cold War era in Japan and the US. Often used in historical or political contexts.
1950年代、日本でも赤狩りが行われた。
In the 1950s, red-baiting also took place in Japan.
彼は赤狩りの犠牲者として職を失った。
He lost his job as a victim of the communist witch-hunt.
Compound of 赤 (aka, 'red', symbolizing communism) and 狩り (kari, 'hunting'). The term is a calque from English 'red-baiting' or 'witch-hunt', referring to the persecution of communists.