A newcomer to a group or place; someone recently arrived or new to a position, often with little experience.
会社に新参者として入ったばかりなので、まずは挨拶回りをした。
Since I just joined the company as a newcomer, I first went around to greet everyone.
彼はこの道では新参者だが、飲み込みが早くすぐに一人前になった。
He's new to this field, but he learns quickly and soon became competent.
新参者扱いされて嫌だったので、自分から積極的に仕事を引き受けた。
I didn't like being treated as a newcomer, so I proactively took on work myself.
町内会では新参者でも歓迎される雰囲気だった。
In the neighborhood association, newcomers were welcomed.