D defs.my
Entry 2 senses Webster, 1913

Competitor

/kəm-pĕtʹ-ĭ-tər/ · Com·pet·i·tor · IPA /kəmˈpɛt.ɪ.tɚ/
01 n. One who seeks what another seeks, or claims what another claims; one who competes; a rival.
  1. 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. 2.
    An associate; a confederate.[Obs.]
    “Every hour more competitors Flock to their aid, and still their power increaseth.” Shak.