The tasks a Tourist Guide is expected to perform include:

Attending to customers enquiries
Guiding tourists and visitors to places of interest and explaining historical background and importance of the site
Accompanying tourists on their excursions and around places of tourist interest and explaining historical, cultural, social, religious and architectural significance of monuments
Answering questions of tourists relating to various economic and social aspects of life or people
Assisting tourists in shopping
Acting as an interpreter to help tourists converse with shopkeepers, hoteliers, etc.