The motivations supporting personal engagement into volunteer activity - Altruistic values, empathic reactivity and self-oriented motivational functions were examined throughout 236 volunteers, working in different voluntary associations. We assumed that different motivational functions support personal engagement in different subjects, according to age, gender, and kind of voluntary association the volunteer belong to, ecc. Moreover, the influence of different motivational functions could change during time service. Finally, starting from different motivational functions of volunteers, belonging to different kind of voluntary associations, we talk about the possibility that personal matching of motivations affects the subjective choice of voluntary organization of a person engaging himself in voluntary service. Keywords: volunteerism, motivations, empathic reactivity