ISTJ Serious, quiet, earn success by concentration and thoroughness. Practical, orderly, matter of fact, logical, realistic, and dependable. Take responsibility.
ISFJ Quiet, friendly, responsible and conscientious. Work devotedly to meet their obligations. Thorough, painstaking, accurate. Loyal considerate.
INFJ Succeed by perseverance, originality, and desire to do whatever is needed, wanted. Quietly forceful; concerned for others. Respected for their firm principles.
INTJ Usually have original minds and great drive for their own ideas and purposes. Sceptical, critical, independent, determined, often stubborn. (Thats me)