Competitor

Com*pet"i*tor (?), n. [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.