ISFJ - Introvert, Sensing, Feeling, Judging.
ISFJs are industrious caretakers, loyal to traditions and organizations. They are practical, compassionate, and caring, and are motivated to provide for others and protect them from the perils of life.
ISFJs are supportive, reliable and patient, imaginative and observant, enthusiastic, loyal and hard-working and have good practical skills. They are also humble and shy, they take things too personally, they repress their feelings, they overland themselves, they are reluctant to change and are too altruistic.
In the population, 13.8% are ISFJ, making them the most common type in the world. They are also the most common towards women which are 19.4% comparing to 8.1% being men.
