The Sixteen Personality Types - High-Level. ISTJ - The Duty Fulfiller Serious and quiet, interested in security and peaceful living.
Extremely thorough, responsible, and dependable. Well-developed powers of concentration. Usually interested in supporting and promoting traditions and establishments. The Personality Page. ISFP Profile. Introverted Sensing Feeling Perceiving by Joe Butt Profile: ISFP Revision: 3.0 Date of Revision: 23 Feb 05 ISFPs are the first to hear the different drummer.
