There are Atheists, but the phrasing of the question is odd, because, as others have pointed out, Atheism is not a codified religion with edicts, meeting places, and theology. So, there is nothing for them to adhere to and no place for them to adhere to it.
An adherent of atheism would like being a team of people who don't playing Baseball. Atheists don't believe in any deities, this does not make them an organized force except to the religious
Nobody - atheism is not organised as its adherents do not believe!
The only attribute of atheism is that we lack any belief in gods.
No. Atheism is not any type of organization. Atheism is a lack of belief in the supernatural.To quote the late George Carlin, "Atheism is a non-prophet organization".
Atheism is important to an atheist. If you are an atheist you don't believe in any god.
A person who does not believe in any God is an Atheist.
Atheism has no theory. We simply disbelieve in any gods or other supernatural beings.
An atheist does not believe in the existence of God. Atheism is the condition of not believing in God. Atheism is the absence of a belief in gods.
Atheism
No. There is no conversion to atheism because it is not a religion. If you do not believe in any sort of god or spirit, then you are an atheist.
No. In and of itself atheism is simply the absence of any belief in gods. It is a benign intellectual choice. Some people with strong religious beliefs may find that offensive but atheism itself is not the offender. Also, there may be some people who are atheists who are offensive but that is true of any group of people and is not caused by atheism but by human nature.
atheism has been around for ages, for example many ancient greek philosophers were atheist Atheism pre-dates civilisation. It is certainly older than any religion.
Followers or believers of a religion would generally be named after that certain religion. For example: People who believe in Christianity would be called Christians; Atheism- Atheists, Catholicism- Catholics, Buddhism- buddhists, Hinduism- Hindu, and so forth.