detractor
noun [ C ] uk/dɪˈtræk.tər/ us/dɪˈtræk.tɚ/
恶意批评者,贬低者
someone who criticizes something or someone, often unfairly
His detractors claim that his fierce temper makes him unsuitable for leadership. 他的批评者声称他脾气暴躁,不适合做领袖。
Synonyms: hater knocker (CRITIC)