Possible Clues:

• Rusted man, tutee mostly out of the ordinary?
• Adult learner
• Does one come late to lessons?
• One getting on in education
• Man stuttered awkwardly outside university, sort of learner
• Dean terms tutu out of order for particular kind of learner
• One coming to class late unfortunately met us and truanted
• Being with younger crowd, one may learn something
• One coming late to higher education