"New boy in town" is a phrase used to describe someone who is new to a particular place or group. Synonyms for "new boy in town" include "rookie," "newcomer," "novice," "beginner," "freshman," "fledgling," "neophyte," and "greenhorn." Each of these words has its own unique connotations - "rookie" and "novice" imply inexperience in a particular field, "freshman" typically refers to a new student in college, while "neophyte" can suggest being new to a specific ideology or religion. "Fledgling" and "greenhorn" both suggest a lack of experience or knowledge, but "fledgling" is often used in reference to someone starting a new business, while "greenhorn" is typically used to describe someone new to a profession or task.