noun🔗Share債務不履行者, 義務不履行者One who fails to fulfill an obligation or perform a task, especially a legal or financial one."The student became a defaulter when he stopped paying his student loan. "学生は学資ローンを支払わなくなったとき、債務不履行者になりました。financelawbusinesseconomypersonChat with AIVocabulary GamePractice Reading