Transcript MBTI and Temperament Type Temperament Descriptor ESTJ Protectors (SJ) Overseer ESFJ Protectors (SJ) Supporter ISTJ Protectors (SJ) Examiner ISFJ Protectors (SJ) Defender ESTP Creators (SP) Persuader ESFP Creators (SP) Entertainer ISTP Creators (SP) Craftsman ISFP Creators (SP) Artist ENTJ Intellectuals (NT) Chief ENTP Intellectuals (NT) Originator INTJ Intellectuals (NT) Strategist INTP Intellectuals (NT) Engineer ENFJ Visionaries (NF) Mentor ENFP Visionaries (NF) Advocate INFJ Visionaries (NF) Confidant INFP Visionaries (NF) Dreamer David Keirsey.