A ghosthunter, also known as a paranormal investigator, is someone who seeks out evidence of supernatural activity. Another word for ghosthunter is spirit seeker, as they are searching for communication with spirits. Other related synonyms include ghost chaser, phantom hunter, and spiritual adventurer. Paranormal researchers are also people who investigate hauntings, poltergeists, and other unexplained phenomena. Ghostbusters is a term made famous by the popular movie franchise and is sometimes used to describe those who seek out ghosts. In any case, a ghosthunter is someone who delves into the realm of the supernatural to uncover its mysteries.