A pagan or wiccan religion believes in the power of the earth and "mother nature" is one of their godesses. But many people believe in nature but dont believe that theyre pagan.
Religious.
A creationist.
I would call him a god, or at least someone who believes he is a god.
Lonely!
A Sun reader.
A Marxist
A person who believes that nature is god can be described as a pantheist. Pantheism is a belief system that views the universe or nature as divine and synonymous with God.
Monotheistic, or a monotheist.
a jackass unless its a proper approch
A Blasphemer. You are not Jesus and saying you are is called "Blasphemy"
someone who believes they always have an illness and are dying even though theres nothing medically wrong
A free spirit