cruel creditor; bill collector; dun
A harsh or relentless creditor, often used figuratively to describe someone who presses for repayment without mercy. The term carries a strong negative connotation, likening the creditor to a demon.
I'm being tormented by the cruel creditor who comes to collect the debt.
彼は債鬼のように厳しく返済を迫った。
He pressed for repayment as relentlessly as a dun.
Compound of 債 (debt) and 鬼 (demon, ogre), literally 'debt demon'. The exact historical origin is uncertain, but the word figuratively describes a creditor as merciless as a demon.