Origin: Latin suffix -ate
Uninitiate has 3 different meanings across 2 categories:
people who have not been introduced to the mysteries of some field or activity
"it diverts the attention of the uninitiate"
One who has not been initiated; an outsider.
not initiated; deficient in relevant experience
"it seemed a bizarre ceremony to uninitiated western eyes"
"he took part in the experiment as a naive subject"