**Youngster** — a young person, especially a child or teenager.
Here are some examples of using the word «youngster»:
1. The youngster was very shy and did not want to speak in front of the audience.
2. My neighbour's youngster is a talented pianist and often performs at concerts.
3. The coach was impressed by the youngster's skills and decided to include him in the team.
4. The youngster spent all his free time playing video games and neglecting his homework.
5. The teacher tried to find an approach to the youngster who was constantly disrupting the lessons.
6. The youngster's parents were proud of his achievements and supported him in everything.
7. The youngster decided to start a business and opened his own online store selling handmade goods.
8. The youngster participated in a charity event and collected money for a children's hospital.
9. The youngster dreamed of becoming a famous actor and was preparing for auditions every day.
10. The youngster's talent and hard work paid off, and he finally got a role in a popular TV series.