Possible Clues:

• Rookie using two-way radio, being extremely selective
• Originally try love as novice
• 'Beginner, novice (4)'
• Novice; Tory (anag.)
• One has not had the experience of Troy
• Just starting to make the County in Ireland
• A beginner or novice
• One may be seen as 'old' after end of first year!
• One getting on-the-job-training, maybe
• Only the experienced would try to get confused over nothing