This is the 11293rd most frequent Korean word.
김남국
"김남국" is a Korean proper noun, typically used as a person's name.
'김남국' is used as a person's name and subject of the sentence.
김남국은 한국의 유명 학자입니다.
Kim Nam-kook is a famous scholar in Korea.
'김남국' refers to the author of the book, indicating ownership.
저는 김남국의 책을 읽었습니다.
I read Kim Nam-kook's book.
'김남국' is the individual whom the speaker expects to meet.