The word standardbearer refers to a person who represents and upholds certain principles or beliefs. Antonyms for standardbearer could include renegade, defector, traitor, betrayer, dissident, rebel, deserter, or turncoat. These terms represent those who deviate from the norms, beliefs, or expectations that the standardbearer upholds. They may be seen as disloyal, unreliable, or problematic due to their noncompliance with established practices. While standardbearers are often respected for their steadfastness and leadership, antonyms to this term showcase a departure from tradition, highlighting those who actively challenge the status quo.