Saint Rwais lived a life detached from all pleasure of the world. He endured a lot of pain and persecutions.
He was not a Monk or a priest, but the depth of his love for God and his endurance to tribulations, has made him one of the greatest Saints of his time.
Even if man rejects tribulation.. God allows it for us to free us from our material tendencies and sensuality. When we suffer from the pressure of tribulation, we pray to God asking His support and strength