This is the 7363rd most frequent Korean word.
참고인
Witness or reference person.
Here, '참고인' is used to describe a person whose testimony can provide important information for a case, equivalent to a 'witness' in English.
이 사건에는 중요한 참고인이 있습니다.
This case has an important witness.
In this sentence, '참고인' specifies a role someone has during a legal proceeding, emphasizing their function as a provider of information.
그는 재판에서 참고인으로 출석했습니다.
He appeared as a witness in court.
This usage highlights '참고인' as the source of crucial evidence, focusing on their participation in the judicial process.