An atheist
An 'atheist'.
A person who does not believe in god is called a "Athiest"
Non-religious. A person who does not believe in God is called an atheist. A person who doubts the existence of God is called agnostic.
if you mean if someone does not believe in God, this person is called an atheist
Such a person is called an ATHEIST.
an Agnostic (from agnosticism).
Human.
A person who does not believe in any God is an Atheist.
The majority have two angles.Agnostic: Those who believe God does not exist but are open to proof.Atheist: Those who believe God does not exist
A person who believes in one God, is called a Monothiest: (Monothiesm).
Most people would probably describe their belief in God in terms of some specific religion; they are Christians, Jews, Muslims, etc. But the general term for a person who believes in God is a theist; this is the opposite of a person who does not believe in God, which is an atheist.
A Believer =) a cristian or a jew. And Muslims.