Humor is one of the most common elements of human interaction and as such has an important role in building and maintaining good relationships with business colleagues. At the same time, humor can serve as a tool for achieving certain goals, such as reducing stress or strengthening leadership within a certain group. The aim of this work is look at humor, its use in the business environment and its very strong impact on the community and its cohesion. In the workplace, there is a formal and serious interaction, connected to the corporation taking place, on the one hand, and an informal interaction, not tightly related to business, on the other hand. The later type of interaction can be connected to recreation and relaxation. It takes place at that moment when business is put on hold and colleagues spontaneously gather up and engage into a conversational game that includes the usage of jokes, riddles and so on. This work shows positive influence of humor to human health. In maritime job big part of role relies on captain of the ship, and also on crew member education, so that humor do not have negative influence on crew member despite multiculturality.