Gerard of Csanád was a Hungarian bishop and a prominent figure in the early Christian church during the 11th century. He is best known for his missionary work in the region of Csanád, which is now part of modern-day Hungary. Gerard played a crucial role in spreading Christianity among the local population and establishing churches. He is also recognized as a martyr, having been killed by pagans while attempting to convert them to Christianity. His legacy is honored in the Catholic Church, and he is venerated as a saint, with his feast day celebrated on September 24.