An officer in an occult order, such as the Golden Dawn, whose responsibilities were to guard and protect the temple, especially when a ritual was being held. The Sentinel is the "watcher without" (i.e., outside the temple) while the Kerux is the watcher within.
Readers, please enjoy this guest blog post by Tudorbeth, author of The Hedgewitch's Little Library, including the latest release in the series, The Hedgewitch's Little Book of Crystal Spells.
When people catch the crystal bug, they think they...