*ritualist*

a. Pertaining to, or in accordance with, a ritual; adhering to ritualism. [ 1913 Webster ]

n. 1. One who professes a regard for spiritual things only; one whose employment is of a spiritual character; an ecclesiastic. [ 1913 Webster ]

2. One who maintains the doctrine of spiritualism. [ 1913 Webster ]

3. One who believes in direct intercourse with departed spirits, through the agency of persons commonly called mediums, by means of physical phenomena; one who attempts to maintain such intercourse; a spiritist. [ 1913 Webster ]

a. Spiritualistic. Taylor. [ 1913 Webster ]