Who was Saint Kateri Tekakwitha?

She was a young Indian girl who late converted to Christianity at age 20. She was adopted by her aunts because both of her parents were diseased. She ended up having to suffer greatly for her faith though she stood firm. She later went to a Christian tribe of Indians, here she lived a life of prayer and care for the sick. She was very devoted to the Eucharist and Christ the Crucified.