traitor
betrayer / treasonous person
Noun
pl: traitors
This term carries a heavy emotional weight, evoking a sense of profound violation and moral failure. It is used not only in legal or political contexts regarding state security but also in intimate personal relationships where a breach of trust occurs. The word implies a deliberate choice to deceive those who provided protection or affection. While the term is typically used as a countable noun, it functions as a powerful label that defines a person's identity by their most egregious act of betrayal. It is frequently paired with adjectives like "notorious" or "hidden" to emphasize the scale or secrecy of the deception.