COMPETITOR
rival, challenger, competitor, competition, contender
(noun) the contestant you hope to defeat; “he had respect for his rivals”; “he wanted to know what the competition was doing”
Source: WordNet® 3.1
Etymology
Noun
competitor (plural competitors)
A person or organization against whom one is competing.
A participant in a competition, especially in athletics.
Synonyms
• (person against whom one is competing): adversary (loosely), opponent (loosely)
• (participant in a competition): contestant
Anagrams
• optometric, potometric, topometric
Source: Wiktionary
Com*pet"i*tor, n. Etym: [L.: cf. F. compétiteur.]
1. One who seeks what another seeks, or claims what another claims;
one who competes; a rival.
And can not brook competitors in love. Shak.
2. An associate; a confederate. [Obs.]
Every hour more competitors Flock to their aid, and still their power
increaseth. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition