Back, champ, advocate, defender, advocate, and ally oneself with are all synonyms for champion. Opponent and critic are these antonyms of champion. And here are another 77 synonyms for champion.
Champion Synonyms
1. winner
- Champ
- Conqueror
- Cup winner
- Defending champion
- Gold medallist
- Prizewinner
- Title-holder
- Titlist
- Top dog
- Victor ludorum
- Victor
- Winner
- Number one
2. advocate
- Advocate
- Apologist for
- Apostle
- Backer
- Battler for
- Booster
- Campaigner for
- Crusader for
- Defender
- Evangelist
- Exponent
- Fighter for
- Flagbearer
- Lobbyist for
- Missionary
- Patron
- Pleader for
- Prime mover
- Promoter
- Propagandist for
- Proponent
- Proposer
- Protector
- Sponsor
- Standard-bearer
- Supporter
- Torchbearer
- Upholder
- Plugger
3. knight
- Defender
- Duellist
- Knight
- Man-at-arms
- Paladin
- Warrior
- Hero
4. advocate
- Advocate
- Ally oneself with
- Back
- Battle for
- Campaign for
- Crusade for
- Defend
- Espouse
- Fight for
- Hold a torch for
- Lobby for
- Plead for
- Promote
- Propose
- Protect
- Second
- Sponsor
- Stand behind
- Stand up for
- Stick up for
- Support
- Take someone's part
- Take up the cudgels for
- Throw one's weight behind
- Uphold
- Vouch for
- Plug