A YouTuber is someone who creates and shares videos on the platform YouTube. They can cover a wide range of topics, from gaming and beauty to cooking and education. Many YouTubers build a community by engaging with their viewers through comments and social media, making their channels feel personal and interactive. Some YouTubers become very popular and can earn money through advertisements, sponsorships, and merchandise. Famous YouTubers like PewDiePie and Zoella have millions of subscribers and influence trends in various industries. Overall, being a YouTuber allows individuals to express their creativity and connect with audiences worldwide.