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Kotomora

内ない通つう者しゃ

Meanings

1

noun

mole; whistle-blower; informant; betrayer

Refers to someone who secretly passes inside information to an opposing party, often in espionage, organizations, or criminal contexts.

2

noun

adulterer; adulteress

Rare, old-fashioned use for someone who commits adultery. Modern Japanese typically uses 不倫相手 or 浮気相手.