competitor

[kuh m-pet-i-ter] /kəmˈpɛt ɪ tər/
noun
1.
a person, team, company, etc., that competes; rival.
Origin
1525-35; < Latin competītor rival for an office, equivalent to com- com- + petītor seeker, claimant (see petitor)
Related forms
competitorship, noun
Synonyms
See opponent.
British Dictionary definitions for competitor

competitor

/kəmˈpɛtɪtə/
noun
1.
a person, group, team, firm, etc, that vies or competes; rival
Word Origin and History for competitor
n.

1530s, from Middle French compétiteur (16c.), or directly from Latin competitor "rival," agent noun from competere (see compete).