firebrand
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/ˈfaɪərbrænd/
🇬🇧
/ˈfaɪəbrænd/
someone who often encourages others to take strong and sometimes risky actions, especially in politics or society
The teacher described the young activist as a firebrand who inspired many with her passionate speeches.
先生は、その若い活動家を情熱的な演説で多くを鼓舞した扇動者として述べた。