Khaby Lame, the Senegal-born world’s most popular TikTok personality who never says a word in videos watched by millions of followers, addressed the youth in his native country on Friday when he was appointed as UNICEF goodwill ambassador.

The 24-year-old influencer, who has over 162 million followers, rose to fame with charming videos of his reactions to everyday life situations, becoming a role model for many young people.