Jesus was an exorcist
Jesus was known not only as a healer, but also as an exorcist; these two categories overlap to some extent because often demon possession ...
http://www.mycrandall.ca/courses/ntintro/lifej/exorcismjesus.htm
Jesus was an exorcist... Yes, and so were His disciples...
Jesus did it out of Love and only to give credibility to His Father’s message. Not to promote Himself.