competitor
/kəmˈpetɪtə(r)/noun
1- an organization or country that is engaged in commercial or economic competition with others（商业或经济上的）竞争对手, 竞争者：
our main industrial competitors.
我们的主要工业竞争对手。
1.1
- a person who takes part in a sporting contest（体育竞赛）参赛者, 比赛者。