A person or company that creates new products, especially computer products such as software, website.
A photographer is a professional skilled in capturing images using a camera. They use their technical knowledge & creativity.
An independent contractor who earns wages on a per-job or pepr-task basis, typically short-term work.
Someone who regularly plays video games. They usually own dedicated video game devices.
A researcher is a professional dedicated to exploring, investigating, and expanding knowledge within a particular field.