Volunteer work is difficult to characterize as easy, as it requires people to take a lot of responsibility, energy costs, emotional inclusion and the ability to quickly adapt in situations of increased complexity. There is a growing need to study the characteristics of volunteers’ sustainability. The aim of the article. The purpose of the article is to envisage volunteer activity in Ukraine as a manifestation of social activity of citizens in the context of determining the relationship between sustainability, value orientations and emotional burnout in volunteers as individual mental structures. Research methods. The psychodiagnostic toolkit consisted of the following techniques: the method of diagnosing the level of emotional “burnou...