A tutor is a person who provides assistance or tutelage to one or more people on certain subject areas or skills. The tutor might spend a few hours on a daily, weekly, or monthly to transfer their expertise on the any topic or skill to the student (also called a tutee).
Therefore, anyone who has knowledge on any subject and who want to offer there help to others, can be a tutor.
Unless otherwise stated by wearetutors.com, the tutors on this site are freelancers and not employees of wearetutors.com.