This diploma thesis present analysis of the process of specific mobility volunteering project EVS (European Voluntary Service, funded by Erasmus+ program of EU) and foreign volunteering youth (age 17-30) and their involvement in it seen by ritual approach. The case-study had been performed in the city of Hradec Králové (Czech Republic). The aim is to interpret the EVS project as a kind of contemporary ritual in adulthood. It also shows how individuals pass through it by assimilation, and perceiving new culture and language different from their own.