Possible Clues:

• Someone new to a field or activity
• Trainee without bad habits
• There isn't any harm in one who's only a 19 down
• Convert — all evil eschewed!
• There isn't any harm in being so inexperienced
• New monk in number overcoming wickedness
• What one should expect from a postulant?
• That's new - being so freezing at the end of November, in short
• One without experience of sin?
• Beginner without immorality