A look at the bible Students and different Jehovah's Witnesses regulations or prescriptions and rules for undergoing baptism.
Often a lot of people do not know to differentiate between Christendom, Christianity, religiosity and even limit religiousness to Christians, forgetting that there are many other religious groups who have all sorts of worship.
People can be irreligious, delusional or belonging to lovers of agnosticism, ignosticism, ietsism, scepticism, pantheism, atheism, strong or positive atheism, implicit atheism, and apatheism. After the rebellion of man God saw the world turning against Him but kept hoping in a good relationship with His creatures.
The Book of books consisting of 66 books by 40 authors over a period of several years is often put aside by people calling themselves Christian, giving much more preference to human teachings and doctrines instead following the infallible Word of God given to mankind with the Bible.