traitor
🇺🇸
/ˈtreɪtər/
🇬🇧
/ˈtreɪtə(r)/
A person who betrays others by revealing secrets or acting against their interests.
The traitor sold the team's secrets to the rival company.
반역자는 팀의 비밀을 경쟁 회사에 팔았습니다.