Francis Xavier 1506-52 Spanish Catholic missionary; known as the Apostle of the Indies. One of the original seven Jesuits, from 1540 he travelled to Southern India, Shri Lanka, Malacca, the Moluccas, and Japan, making thousands of converts. (Oxford Dictionary p 2135)
Jesuit a member of the Society of Jesus. (Oxford Dictionary p 981)
Francis Xavier was one of the founding members of the Society of Jesus, also known as the Jesuits.