esoterist
ɛsəˈtɛrɪst
Definitions
1. noun
A person who studies or advocates a particular esoteric subject, especially mysticism, the occult, or spiritualism.
“Some people view the esoterist as a mystic or a guru, but others see them as charlatans.”
2. noun
A person who is an expert in a particular, usually obscure, subject.
“The professor was a renowned esoterist of ancient mythology.”