Possible Clues:

• Sage: perhaps I'm a harsh one
• Sage Hiram has reformed one
• Wise foreign teacher starts with marmalade and homemade applesauce and Irish spreads
• Teacher is welcome after parent, endlessly strict
• Sage old lady, stern, embraces one upright character
• One hot knight, a joint revolutionary spiritual leader
• Guru or parent, strict one, protecting one
• Literally, ''great sage''
• His meditation was transcendental
• Famous spy, no thanks to his confused teacher