firebrand
🇺🇸
/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.
一位老师形容这位年轻的活动家是一位能够用她充满激情的演讲激励许多人的煽动者。