An informal term for 'spiritual guide' or 'mentor' in some cultures

आध्यात्मिक गुरु

English Usage: He regards his masi as his guiding light in difficult times.

Hindi Usage: वह अपनी आध्यात्मिक गुरु को कठिन समय में अपनी मार्गदर्शिका मानता है।