열사가 · 열사를
patriotic martyr (who resisted without weapons)
Example
유관순 열사는 삼일운동에 참여했다가 감옥에서 세상을 떠났어요.
The martyr Yu Gwan-sun took part in the March 1st Movement and died in prison.
Word parts
열 ardent+사 person
Literally 'ardent person'.
Good to know
열사 resisted without weapons, like 유관순 열사; 의사 used armed action, like 안중근 의사.