An Online Influencer is someone who creates and shares content on social media platforms to engage with an audience and influence their opinions, behaviors, or purchasing decisions. They typically build a following by posting content related to a specific niche, such as fashion, fitness, technology, or lifestyle. Influencers collaborate with brands to promote products or services, often through sponsored posts, affiliate marketing, or partnerships. Success in this role requires strong content creation skills, authenticity, and consistent audience engagement.