initiate vs newcomer

initiate and newcomer both are nouns.

Word	Noun	Adjective	Verb	Adverb
initiate	Yes	No	Yes	No
newcomer	Yes	No	No	No

As nouns, newcomer is a hyponym of initiate; that is, newcomer is a word with a more specific, narrower meaning than initiate:

initiate (noun)	newcomer (noun)
people who have been introduced to the mysteries of some field or activity	any new participant in some activity
someone who has been admitted to membership in a scholarly field	a recent arrival
someone new to a field or activity

initiate (verb)	newcomer (verb)
set in motion, start an event or prepare the way for
bring up a topic for discussion
take the lead or initiative in; participate in the development of
bring into being
accept people into an exclusive society or group, usually with some rite