definition of
supporter

[1] #1 supporter n. [protagonist, champion, admirer, booster, friend] a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library". wn

[2] #2 supporter n. [patron, sponsor] someone who supports or champions something. wn

[3] #3 supporter n. [assistant, helper, help] a person who contributes to the fulfillment of a need or furtherance of an effort or purpose; "my invaluable assistant"; "they hired additional help to finish the work". wn

[4] #4 supporter n. [garter] a band (usually elastic) worn around the leg to hold up a stocking (or around the arm to hold up a sleeve). wn

[5] #5 supporter n. [athletic supporter, suspensor, jockstrap, jock] a support for the genitals worn by men engaging in strenuous exercise. wn