The antonyms for the phrase "more faint-hearted" could include "braver," "courageous," "daring," "fearless," "gutsy," "intrepid," "plucky," "resolute," "stout-hearted," and "valiant." Those who are more brave-hearted face challenges head-on, don't back down from a fight, and exhibit fearlessness in the face of adversity. They possess the power to move forward, take risks and have a determined spirit. While this term may seem situational, it's not necessarily a bad thing to be faint-hearted, but being brave-hearted will make you more resilient and better equipped to handle life's challenges.