Demon
The contemporary Roman Catholic Church unequivocally teaches that angels and demons are real beings rather than just symbolic devices. The Catholic Church has a cadre of officially sanctioned exorcists which perform many exorcisms each year. The exorcists of the Catholic Church teach that demons attack humans continually but that afflicted persons can be effectively healed and protected either by the formal rite of exorcism, authorized to be performed only by bishops and those they designate, or by prayers of deliverance, which any Christian can offer for themselves or others.
Brian Connor
In 1985 the ministry of exorcism was first introduced to him when he encountered a woman who was a third generation satanist. From then on he ministered to people with spiritual oppression. He said of exorcisms that, "when one experiences it face-to-face -- when one sees evil, smells it, feels it, has things thrown in his face, encounters evil prowling around like a lion -- then you know there's a spiritual warfare going on all around us."