vociferator
🇬🇧/vəʊ'sɪfəreɪtə/ 🇺🇸/voʊˈsɪfəˌreɪtər/ 12a loud and vehement speaker (usually in protest)
noun [专属名词]喊叫者；大声叫的人
someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
