noun, noun which may take the genitive case particle 'no'
Refers to a person who has recently joined a group, workplace, team, or organization. Often used in informal contexts.
He's still a newcomer, so he's not used to the work yet.
新入りの社員に基本的なルールを教える。
Teach the basic rules to the new employee.
A new employee joined this company again.
The whole team welcomed the new member.
The senior members were bullying the new guy.
Even though I've been here three years, I'm still treated like a newbie.