A educator teaches their audience information on specific topic. Educators give away free helpful information which builds trust and loyalty with their followers. They then generate income through creating and selling products, such as e-books and online courses, giving their audience more information on the topic they are already interested in.
An artist is a talented individual that creates pieces of artwork which they sell to make a profit. This could be in the form of paintings, fashion pieces, accessories, pottery, home decor etc.
A freelancer is knowledgeable or talented in a very specific creative field. They make a living by selling their services to their clients. Some examples of freelancers are writers, designers, editors and virtual assistants.