This is the 8890th most frequent Japanese word.
正吾
"正吾" is a Japanese given name, typically interpreted as "Masashi" or "Shogo," meaning "correct" or "righteous" (正) and "I/me" or "myself" (吾).
In this sentence, '正吾' is used as a person's name, indicating a specific individual.
正吾はとても親切な人です。
Shogo is a very kind person.
Here, '正吾' refers to the author of the book, showing attribution to a person bearing this name.
正吾の書いた本は売り切れました。
The book Shogo wrote has sold out.
In this sentence, '正吾' is utilized as the subject of the action, where Shogo is the one being found.