An influencer is a person who has the power to influence the opinions or behavior of others through their actions, words, or social media presence. They are individuals who have built a following based on their expertise, knowledge, or popularity in a particular field or industry. Influencers use their platform to share their thoughts and ideas with their audience, which can range from thousands to millions of people. Their influence can be used for various purposes such as promoting products, raising awareness about social issues, or simply sharing their personal experiences and opinions.