自粛警察

じしゅくけいさつjishukukeisatsu

noun

self-appointed enforcer of business closure and stay-at-home requests during the COVID-19 pandemic
pandemic police
virus vigilante

Kanji in this word

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences