“Who is the fearful and fainthearted man?” If there is no righteous person who never sins, who goes to battle?

This source-based Torah study examines: “Who is the fearful and fainthearted man?” If there is no righteous person who never sins, who goes to battle? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. This localized discovery layer is a concise summary rather than a full translation of the article; practical, halakhic, medical, legal, historical, mystical or empirical claims remain source-framed and subject to the canonical review status.