Possible Clues:

• Hot type one cast into new type
• Fledgling
• Initiate change in telephony after losing line
• Rookie
• Religious convert, one breaking up hostile encounter, say
• Close combat, say, for raw recruit
• One freshly converted to make war, say
• Novice in one ugly brawl, we hear
• One spoiling for noisy brawl with novice
• Apprentice, newcomer