pertains to an individual who guides visitors for a fee, commission, or any form of lawful remuneration or a personnel from a government or private entity who performs the above function without fee or remuneration. Reference: Principles of Tourism, Part I – 1999, Zenaida L. Cruz, Ph.D.
A tour guide is a person who leads tourists or other travelers around a town, museum, or other tourist site, or on a longer tour along an established tourist circuit. Such a tour is called a "guided tour".