The term 'Certain Believer in God' can be summarized as a Deist, which is a person who believes in the existence of a God or higher power but does not believe in any particular religion or doctrine. Deists typically reject the notion of divine intervention in the universe and instead believe that God created the world and then left it to its own devices. They also often reject the idea of an afterlife and instead focus on living a moral life in the present.