반역자
A person who betrays their country, a group, or a cause by giving aid to an enemy or opposing force, or by violating trust.
예문:
"The general was executed for acting as a traitor and selling military secrets to the rival nation."
"Many members viewed the former leader as a traitor when he abandoned their core principles for personal gain."
"She called her best friend a traitor after finding out she had revealed their private conversations."