This is the 4181st most frequent Korean word.
주범인
"Main culprit."
The word '주범인' is used to refer to the primary perpetrator of a crime in this context.
그 사건의 주범인은 경찰 조사에서 자신의 범행을 인정했습니다.
The main culprit of the case admitted their crime during the police investigation.
Here, '주범인' metaphorically identifies the key cause as the primary negative influence on a situation.
환경 파괴의 주범인은 무분별한 개발입니다.
The main culprit for environmental destruction is reckless development.
In this sentence, '주범인' serves to question the individual or entity mainly responsible for a specific problem.