Synonyms of CHAMPION

someone who has won first place in a competition

• CHAMP14

Also: title-holder.

someone who fights for a cause

• FIGHTER14
• HERO7
• PALADIN10

a person who backs a politician or a team etc.

• SUPPORTER13
• PROTAGONIST14
• ADMIRER10
• BOOSTER9
• FRIEND10

someone who is dazzlingly skilled in any field

• ACE5
• ADEPT8
• SENSATION9
• MAVEN10
• MAVIN10
• VIRTUOSO11
• GENIUS7
• HOTSHOT13
• STAR4
• SUPERSTAR11
• WHIZ19
• WHIZZ29
• WIZARD19
• WIZ15

protect or fight for as a champion

• DEFEND11

holding first place in a contest

• PRIZEWINNING27