Atheism
Also covered by legislation relating to Belief, Atheists do not profess any form of religious belief and dismiss the idea of a supreme being, God or gods of any kind. They are distinct from Agnostics, who are unsure about faith and belief in God.
An Atheist may have an association to humanists (refer to webpage: Humanist) or they may not wish to be described as belonging to any one group of people.