Jean Cauvin, also known as John Calvin, was a prominent French theologian during the Protestant Reformation period. Several synonyms can be used to describe this significant historical figure, including religious reformer, Christian theologian, Calvinist, and founder of Reformed Christianity. Calvin's teachings and ideas had a profound impact on theology, religious thought, and political and economic systems in Europe and beyond. He is often associated with the doctrine of predestination and the idea of the sovereignty of God, which formed the core of his philosophical and theological work. Calvin's legacy continues to influence various religious and philosophical schools of thought to this day, making him a highly significant figure in history.