adjective

not deterred by danger or pain; brave.

her courageous human rights work

brave,plucky,fearless,valiant,valorous,intrepid,heroic,lionhearted,manful,bold,daring,daredevil,adventurous,audacious,undaunted,unflinching,unshrinking,unafraid,dauntless,indomitable,doughty,mettlesome,venturesome,stout-hearted,stout,spirited,gallant,stalwart,resolute,determined,death-or-glory,rock-ribbed,game,gutsy,spunky,ballsy,have-a-go,venturous