Shirdi Sai Baba is regarded as a saint by many hindus. His teachings concentrate on a moral code of love, forgiveness, helping others, charity, contentment, inner peace and devotion to the God and guru.
One of sai baba's key teachings was for all humans to have Shraddha and Saburi - meaning faith and patience. These are two fundamental virtues which are mandatory for any human being from his point of view.
During his time in Shirdi, Maharashtra State in India, Sai Baba was known for a number of miracles, which can be read about online.