I am in the class of ISFJ.. Introverted Sensing Feeling Judging. The Protector Gaurdian.
The primary desire of the Protector Guardian is to be of service to others, but here “service” means not so much furnishing others with the necessities of life, as guarding others against life’s pitfalls and perils, that is, seeing to their safety and security. There is a large proportion of Protectors in the population, perhaps as much as ten percent.
Protectors find great satisfaction in assisting the downtrodden and can deal with disability and neediness in others better than any other type. They go about their task of caretaking modestly, unassumingly, and because of this their efforts are not sometimes fully appreciated. They are not as outgoing and talkative as the Providers, except with close friends and relatives. With these they can chat tirelessly about the ups and downs in their lives, moving (like all the Guardians) from topic to topic as they talk over their everyday concerns. However, their shyness with strangers is often misjudged as stiffness, even coldness, when in truth these Protectors are warm-hearted and sympathetic, giving happily of themselves to those in need.
Like most Is, ISFJs have a few, close friends. They are extremely loyal to these, and are ready to provide emotional and practical support at a moment's notice.