A copywriter is someone who writes copy, or text, for advertising and marketing materials. This includes both online and offline content, such as website pages, blog posts, email campaigns, and print ads.
Copywriters are responsible for creating persuasive and compelling messages that will convince the reader to take a desired action. In the case of social media, this might be clicking on a link, following a brand on Twitter or Instagram, or making a purchase.
An effective social media copywriter needs to have a deep understanding of human psychology and what motivates people to take action. They also need to be excellent communicators and have the ability to distill complex concepts into simple language that can be easily understood by the target audience.