A person who believes that war is wrong is called a "pacifist".
Christian??
A person who believes in their dreams can be referred to as a dreamer or an idealist.
A statement that tells what a person thinks or believes is called an opinion, sometimes known as a belief.it is known as a belief
Pacifist
In general, such persons could be called believers.
This is called an opinion.
They are called an Anarchist.
Contrapositive
The Dr- Oz Show - 2009 Myths and Lies Your Gynecologist Believes 4-107 was released on: USA: 20 February 2013
The Dr- Oz Show - 2009 Myths Even Your Gyno Believes 5-86 was released on: USA: 22 January 2014
Agnostic