someone who arrives somewhere来到…的人
Most people sold to the first comers.大部分人都把东西卖给了先到的人。
mainly US informal someone who is likely to be successful很有可能成功的人
He was a young star from the moment he arrived - everybody thought he was a comer. 他刚出道时就是一颗新星,所有人都认为他会成功。