The word "de-filer" means someone who tarnishes or stains the reputation or honor of someone or something. The antonyms for "de-filer" are people who protect or maintain a good reputation. These antonyms include people who rehabilitate the reputation of someone or something, such as reformers or restorers. In addition, people who uphold and promote integrity and honor, such as advocates or defenders, are also antonyms of "de-filers". Other antonyms of "de-filers" include people who preserve or beautify something, such as guardians or curators. These antonyms represent people who contribute positively to the reputation or honor of someone or something, rather than destroying it.