noun

a person who is admired for their courage, outstanding achievements, or noble qualities.

a war hero

brave man,champion,man of courage,great man,man of the hour,conquering hero,victor,winner,conqueror,lionheart,warrior,paladin,knight,white hat,chevalier,star,idol,superstar,megastar,celebrity,celebutante,luminary,lion,ideal,ideal man,paragon,exemplar,shining example,perfect example,favourite,darling,knight in shining armour,knight on a white charger,beau idéal,celeb