1) Mystic 2) Religious mystic 
• (n.) One of a sect of mystics originated in the seventeenth century by Molinos, a Spanish priest living in Rome. See Quietism.
Qui'et·ist noun [ Confer French quiétiste .] (Eccl. Hist.) One of a sect of mystics originated in the seventeenth century by Molinos, a Spanish priest living in Rome. See Quietism . 
[n] - a religious mystic who follows quietism
noun a religious mystic who follows quietism