1. one who betters the conditions of himself and the conditions of others by using Scntechnology. (Aud 73 UK)2. one who controls persons, environments and situations. A Scientologist operates within the boundaries of the Auditor's Code and the Code of a Scientologist. (PAB 137)3. one who understands life. His technicalskill is devoted to the resolution of the problems of life. (COHA, p. 12)4. a specialist in spiritual and human affairs. (AbilMa 1)