Infidel (literally "one without faith") is an English word meaning "one who doubts or rejects central tenets of a religion or has no religious beliefs", especially in reference to Christianity or Islam. The Arabic word kafir is the Muslim term for an infidel. In the Roman Catholic Church the term was traditionally used to refer to one who didn't believe in the divinity of Jesus knowingly held beliefs that contradicted Catholic dogma, or one who hadn't been baptized, or to describe non-Christian… (More on Infidel)