Simplify the following text for a Grade 6 native English-speaking person.
Original: Upasni had been a yogi and after coming to the famous Indian saint Sai Baba of Shirdi , and staying in his care for three years , he is said to have become a sadguru .
Simplified: Meher Baba first met Upasni Maharaj in 1914 when Upasni was staying in Shirdi with Sai Baba .