INTRODUCTION Relevance of the scientific problem: Individual experience of teachers, perceiving one’s self as an instance of the subject’s activities in the teacher career is becoming one of the pre-conditions for professional development. However, modern educology still targets at general requirements for a teacher’s work rather than his/her professional individuality. It is impossible to realise the new paradigm of humanistic education without the quintessence of perception of an educator’s personality, aim, content and characteristics of professional development. All this cannot proceed without an expression of professional individuality, which realises the humanistic potential of educating. Nevertheless, solving of such problems in educology still encounters a number of obstacles: the boundaries, fields and goals of teacher activities, the realisation of which depend on a teacher’s individuality are not sufficiently defined, because everything what is individual is referred to as a common element. A statement of Ušinskas (1983) that in teaching everything is based on a personality and “only a personality is capable/may educate a personality” also remains declarative (1983, p. 14). Processes of individual professional becoming of college teachers have not been researched, but they continuously foster interest of scholars as there is a growing tendency to assess a teacher in terms of his/her individuality, uniqueness and individual style (Pukelis, 2004; Laužackas, 2003... [to full text]