This is the 3314th most frequent Korean word.
김진수
"김진수" is a common Korean name, typically not carrying a specific meaning beyond being a personal name.
김진수 is used with the possessive particle "의" to indicate ownership of the book.
김진수의 책은 책상 위에 있습니다.
Kim Jin-soo's book is on the desk.
김진수 is a proper noun used as the subject of the sentence, indicating the individual's role as a student.
김진수는 학생입니다.
Kim Jin-soo is a student.
김진수 is used as a proper noun and the object of the verb, indicating the individual whom the speaker met.