Exorcism
In Catholic practice the person performing the exorcism, known as an exorcist, is an ordained priest. The exorcist recites prayers according to the rubrics of the rite, and may make use of religious materials such as icons and sacramentals. The exorcist invokes God—specifically the Name of Jesus—as well as members of the Church Triumphant and the Archangel Michael to intervene with the exorcism. According to Catholic understanding, several weekly exorcisms over many years are sometimes required to expel a deeply entrenched demon.
Exorcism in Christianity
For example, in one particular situation, a Roman Catholic woman believed that her house was haunted, and therefore consulted her priest for assistance. Since he was not available to drive the demons from the woman's home, she contacted a Methodist pastor, who exorcised the evil spirits from a room, which was believed to be the source of distress in the house, and celebrated Holy Communion in the same place; following these actions, there was no longer any problem in the house. In another situation, The Reverend Jay Bartlett writes that a young lady who was involved with "drug abuse, self mutilation, severe abuse, mental torment, Satanism, occult activity, communion with demons, and other evils" was exorcised at Mt. Olive Free Methodist Church in Dallas over a period of seven nights, with "anointing oil, the Word of God (the sword of the Spirit), holy water, the sacred symbols of the cross, the blood of Christ, and consecrated materials [being] utilized to drive out the demons."