Sai (Poor One/ Good One – It is a Persian title given to Sufi saints) + Baba (Father/ Grandfather/ Old man/ Sir)
Holy Father/ Saintly Father/ Poor Old Man,
Also derived from Persian word Sayeh (Means Shadow).
His teachings:
Surrender to the guidance of true Satguru (or Murshid (Guide/ Teacher)). i.e. The Antim Rishi (Believed to be the Kalki avatar), having gone the path of divine consciousness himself.