One in a race who is catching up to others and shows promise of winning. / (figuratively) One who is catching up in some contest and has a likelihood of victory. / One who arrives.

A surname.

plural of comer

Alternative form of all comers

(idiomatic) someone who is up-and-coming, who has begun to be successful in some field and is likely to become even more successful in the future

plural of up-and-comer

Dated form of newcomer.

Alternative form of aftercomer

Everyone who comes to a given event.

plural of new-comer