characterized by active hostility
someone who offers opposition
a contestant that you are matched against
a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
a support for the genitals worn by men engaging in strenuous exercise
a person who backs a politician or a team etc.
someone who supports or champions something
a band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve)
