N-COUNT
新来的人;新参加的人;新手
A newcomer is a person who has recently arrived in a place, joined an organization, or started a new activity.
例句
He must be a newcomer to town and he obviously didn't understand our local customs...
他一定是刚到镇上来的，明显不了解我们这儿的风俗。
The candidates are both relative newcomers to politics.
两位候选人相对而言都是政坛新人。