This is the 11309th most frequent Korean word.
김민종
"김민종" (Kim Min-jong) is a Korean male given name.
Here, "김민종" is treated as a proper noun indicating a specific individual's name.
김민종은 유명한 배우입니다.
Kim Min-jong is a famous actor.
In this sentence, "김민종" continues to refer to a specific person, emphasizing their upcoming action.
김민종이 내일 공연할 예정이에요.
Kim Min-jong is scheduled to perform tomorrow.
Here, "김민종" remains a proper noun and highlights the involvement of the person in an event related to the narrator's friend.