This thesis deals with the transgender phenomenon and in three chapters explores the ethical level of transitioning and the specifics of social work with transgender clientele. First chapter presents general insight into the topic and looks into the terminological difference between the terms gender and sex, transgender and transsexuality. After that it deals with aspects of the process of transition and also briefly describes the etiology of transgender identity, representation of trans individuals in the population and the phenomenon of minority stress. Second chapter of the thesis introduces the results of a research realised as a part of the work. The results are compiled into narrations of the participants transgender life stories. Thi...