Joker is a Belgian tour operator founded in 1981, considered as pioneer in sustainable tourism. The founders believed that by multiplying the occasions for intercultural encounters, communication and knowledge would increase and this would engender a more tolerant society.  

Mission is to offer memorable and joyful experiences for both travelers and local hosts around the world, committed to sustainable tourism as leverage for socio-economic development and increased tolerance. Joker is grounded on four values: ‘Openness’, ‘’Equality’, ‘Dialogue’,  ‘Amazement’ 

https://www.joker.be/en