45 entries under rival topic. ×

18
traitor(noun, person, opposition, trust, agent)
12
informer(noun, opposition, source, agent, villain)
6
spy(noun, opposition, source, agent, villain)
4
enemy(noun, someone, opponent, competitor)
2
criminal(noun, opposition, agent, villain, rebel)
2
defiler(noun, opposition, agent, villain, rebel)
2
rebel(noun, opposition, agent, villain, spy)
2
saboteur(noun, opposition, agent, villain, rebel)
2
traducer(noun, opposition, agent, villain, rebel)
1
adversary(noun, opposition, agent, rebel, criminal)
1
agent(noun, opposition, villain, rebel, criminal)
1
antagonist(noun, opposition, agent, rebel, criminal)
1
archenemy(noun, opposition, agent, villain, rebel)
1
asperser(noun, opposition, agent, villain, rebel)
1
assailant(noun, opposition, agent, villain, rebel)
1
assassin(noun, opposition, agent, villain, rebel)
1
attacker(noun, opposition, agent, villain, rebel)
1
backbiter(noun, opposition, agent, villain, rebel)
1
bad person(expression, opposition, agent, villain, rebel)
1
bandit(noun, opposition, agent, villain, rebel)
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APASmart Define. (2015). betrayer thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/betrayer/thesaurus/synonyms
ChicagoSmart Define. 2015. "betrayer thesaurus" https://smartdefine.org/betrayer/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, betrayer thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/betrayer/thesaurus/synonyms>.
MLASmart Define. "betrayer thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/betrayer/thesaurus/synonyms>