Of course not.
The term "atheist religion" is a contridiction since "Atheism" refers to the absence of belief in a god or gods.
his religion is christianity.
Christianity just started growing there recently, most people there are Buddhist or atheist.
Born into Christianity, dabbled in Buddhism, most likely that, agnostic, or atheist
Atheist would be capitalized only if it were part of somebody's name, for example if somebody referred to himself as Atheist Bob. However, in the sentence "I saw that atheist Bob at the bank today," atheist is not capitalized because it's not part of Bob's name.
Christianity is the largest followed religion on the planet. This is an example sentence for Christianity.
Christianity
PewDiePie has not publicly disclosed his religious beliefs.
James Baldwin was raised in a religious household as a child but later moved away from organized religion. He explored various beliefs and philosophies throughout his life but did not adhere to any specific religious affiliation. Baldwin's works often touched on themes of spirituality and morality but with a critical perspective on institutionalized religion.
First, find out if whether the atheist is open to discussing religion, and what exactly are his/her views on the subject. Second, be understanding of the atheist's POV, without being patronizing towards him/her, Third, be very knowledgable in Christianity & other religious beliefs. Fourth, be completely as honest as possible, when discussing God.
A religion that believes in one G-d. Example: Judaism, Christianity, Islam.
He dislikes Christianity, but claims to be spiritual and not an atheist.
Stalin was against religion and was strongly Atheist. He ran campaigns discouraging any form of religion.