A spiritual mentor is someone who guides and supports another person in their spiritual growth and development. They provide guidance, wisdom, and encouragement on the spiritual journey. Full definition
On that walk, he encounters the ghost of Chino Otogawa, his former spiritual mentor in Soto Zen Buddhism — and that begins a series of flashbacks and flash forwards to events in his life, including him witnessing his own memorial service (where he grumbles about some of the production elements). (fortune.com)
Apparently, Hillsong pastor and Justin Bieber's spiritual mentor Carl Lentz is catching some heat from Beliebers (Are we still calling them that?) (relevantmagazine.com)
He said one of Israel's most important rabbis, Shas party spiritual mentor Ovadiah Yosef, had backed the Shalit exchange, and that government ministers must have discussed it with him before it was announced. (religion.blogs.cnn.com)