He was strongly influenced during those years by his uncle and mentor Pierre Hudicourt, with whom he lived, and who was a lawyer and Senator. He became politically active during the 1920s, becoming known as a gifted orator and contributor to leftist publications.
During the 1920s, he was significantly influenced by his uncle and mentor, Pierre Hudicourt, who lived with him and was a lawyer and senator. He became politically active during this period, gaining recognition for his eloquence and contributions to left-leaning publications.