The word "backstabber" embodies negativity and deceitfulness. Antonyms for this term include words that reflect positive and trustworthy qualities. Words like "loyal," "trustworthy," and "honest' stand as antonyms to "backstabber." A person with these qualities demonstrates loyalty, reliability, and truthfulness, someone who stands up for the ones they care for and does not gossip about them behind their back. Other antonyms for "backstabber" include "defender," "protector," "ally," and "supporter," all of which demonstrate positive characteristics that do not seek to harm or deceive others. Using these antonyms in place of "backstabber" can help build and maintain relationships based on integrity, trust, and positivity.