Nebenbuhler, Mitbewerber.
rivalisieren
wetteifern.
Rivalität
Nebenbuhlerschaft.
ETYM French rival (cf. Italian rivale), Latin rivales two neigbors having the same brook in common, rivals, from rivalis belonging to a brook, from rivus a brook. Related to Rivulet, Rete.
The contestant one hopes to defeat; SYN. challenger, competitor, competition, contender.