What is the meaning of "Saint" before Latin names and place names?

St. is added to the names of saints in the church. The corresponding word is saint, which appears in the Bible and is chosen by the Lord Jesus as a disciple. It also means to protect God. Saint is a transliteration and free translation of Saint. It is also recorded as san in English, which means "sacred, noble and lofty". In western countries, people are mostly religious, so there is a holy word in their names.