A competitor (person, team, company, etc.) with the same goal as another, or striving to attain the same thing. Defeating a rival may be a primary or necessary goal of a competitor.

Someone or something with similar claims of quality or distinction as another.

(transitive) To oppose or compete with.

To be equal to, or match, or to surpass another.

To strive to equal or excel; to emulate.

Having the same pretensions or claims; standing in competition for superiority.