Who was the founder of first order of friars who helped the poor and served as missionaries?

The founder of the first order of friars who focused on helping the poor and serving as missionaries was St. Francis of Assisi. In the early 13th century, he established the Order of Friars Minor, commonly known as the Franciscans. St. Francis emphasized a life of poverty, humility, and service, encouraging his followers to preach the Gospel and assist the marginalized. His teachings and lifestyle had a profound impact on the Christian faith and the development of religious orders.