The apostle John, who recorded the book of Revelation, his Gospel, and his letters, was also a member of the faithful and discreet slave class.
یوحنای رسول که کتاب مکاشفه ،‏ انجیل و نامه‌هایش را به تحریر درآورد نیز عضو طبقهٔ غلام امین و دانا بود .‏