A tolerant person.
Religious.
Theist is the word you would use, as opposed to atheist. Religious people can be theists as well, but theist is as general as you can get.
A person who believes that war is wrong is called a "pacifist".
A person who believes in science is often referred to as a scientist or a rationalist.
For religious people, God. God would have to be the most well known person ever. Every religious person in the world believes in some sort of God no matter the name they call him or her. Even if your not religious you've herd of God.
conceited
Gullible.
One who believes that everything is predistined -FATALIST
if this is referring to cultural differences, the answer would be "ethnocentric". an ethnocentric person believes that their culture or way of doing things is the best, and possibly only way
Well ! If some person believes that his/her dreams do come true, means he believes he/she has the ability to perceive events in the future is normally called Clairvoyant.
A person who believes in aliens is often referred to as an "alien enthusiast" or someone who is "believes in extraterrestrial life."
Christian, Jew, Jehova