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.
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.
A coach uses their knowledge, skills and experience to help their clients achieve improvement and growth in their businesses, relationships or personal lives, etc. This is usually done through teaching, guiding, motivating and setting goals for their clients.