Initiate
noun
A new member of an organization.
One who has been through a ceremony of initiation.
verb
To begin; to start.
To instruct in the rudiments or principles; to introduce.
To confer membership on; especially, to admit to a secret order with mysterious rites or ceremonies.
adjective
Unpractised; untried; new.
Begun; commenced; introduced to, or instructed in, the rudiments; newly admitted.