Mr. Possessed

Riley is being followed by the ghost of an evil warlock, who was killed in a duel with Riley’s father many years ago. Now, he wants to seek revenge by causing misfortune in Riley’s life. Therefore, Riley’s mother will see to it that the demon is vanquished by using another human being as bait. She sees a ray of hope when she meets Riley’s girlfriend - a woman she detests.
(Source:
IMDB)