supporter

1. A person who gives support to someone or something.Examples: "More than 10,000 supporters attended the last match."; "On February 14, Mr. S. F. Sanders observed two trainloads of football supporters from Bolton which were conveyed to Luton by Nos. 45710, Irresistible, and 45712, Victory, respectively."; "With the Stoke supporters jeering Ziv's every subsequent touch, the pantomime atmosphere created by the home crowd reached a crescendo when Ziv was shown a straight red shortly after the break in extraordinary circumstances."

2. Something that supports another thing.Examples: "[…] I am fully perſuaded that there cannot remain a doubt of the uſe of ſupporters having originated from the fancy of ſeal-engravers. Supporters were likewiſe anciently uſed by divers perſons in private life, as appears by their ſeals, who had offices of high dignity in the ſtate, and more eſpecially by thoſe whoſe employments had the title of Lord prefixed to the ſtile; as Lord Deputy of Ireland, Lord Warden of the Cinque Ports, Lord Preſident of the Council, Lord of the Marches of Wales, Lord Warden of the Stanneries, &c."; "The Unicorn is the well-known dexter Supporter of England. […] A pair of unicorns also support the shield of the Duke of Rutland. […] A Monster, a compound of a Lion and a Fish, or a Sea-Lion, is known in the fabulous menagerie of Heraldry. Two of these Sea-Lions are Supporters of the Viscount Falmouth. So are the Pegasus[…], the winged Horse of Classic antiquity, the dexter Supporter of the Baron Berwick; […]"