Possible Clues:

• Tibet's ___ Lama
• Part of a monk's title
• Start of a holy name
• The ___ Lama
• Lama lead-in
• It means “ocean” in Mongolian
• The lad turns first-rate when he gets to the head of his church with the French and Ma (5)
• With 18-Down, Tibetan V.I.P.
• The boy turns first-rate as a lama
• The boy turns up first-rate in Tibet