John Schafer spent a formative period in Milwaukee, Wisconsin, and demonstrated early work experience in manufacturing and railroad industries. He served in the United States Army during World War I, where he contributed to railway engineering in several key battles. Post-war, Schafer transitioned to a career in the railroad sector, gaining valuable experience in engine operations. His professional journey included a stint in state politics, where he was elected to the Wisconsin State Assembly and later to the U.S. House of Representatives. Schafer's career was marked by a commitment to veterans' affairs, reflected in his active involvement in various veterans' organizations.

John Schafer's political identity is marked by an intriguing blend of traditional Republican values and progressive economic proposals. He advocated for a resolution to compel the wealthy to contribute to the nation's war debts, showcasing a surprising alignment with populist fiscal strategies. Despite his Republican affiliation, Schafer's support for Robert La Follette's Progressive Party candidacy highlights an ideological flexibility that defies standard partisan lines. His deep involvement in veterans' organizations and labor unions further underscores a commitment to cross-sector advocacy, making his political maneuvers both complex and compelling.