His life, though tragically cut short, is a testament to his deep spirituality, courage, and commitment to his beliefs.
Jarogniew’s early life was marked by both familial challenges and spiritual growth. He was the son of an alcoholic father who eventually abandoned the family, leaving his mother to raise him.

Despite this hardship, Jarogniew found solace and guidance in the Salesian oratory, which became a second home to him. He was described as a thoughtful individual who sought to understand events deeply and was known for his good humor and leadership qualities. He played the piano and sang in the parish choir, and he also composed music.

Jarogniew was actively involved in the Salesian oratory in Poznań, where he participated in youth activities. When the Nazi occupation of Poland began in 1939, the Salesian house was seized and turned into a warehouse. Despite the dangers, Jarogniew and his friends continued to meet in secret, forming part of the resistance against the Nazis.

In September 1940, Jarogniew, along with four other young men from the Salesian youth center, was arrested and accused of belonging to an illegal organization. They were taken to the infamous Fortress VII near Poznań, where they were tortured and interrogated. They were subsequently transferred to various prisons. They were accused of high treason and sentenced to death.

Jarogniew Wojciechowski was martyred in Dresden on August 24, 1942, at the age of 19. Before his execution, he wrote a farewell letter, expressing his faith.