Are there any other INFjs out there who are prone to being shy, especially when approached by strangers?

I realize that I tend to run away from people whom I haven't been formally introduced to, or whom I haven't grown close to naturally.

The only times that I am more bold in conversing with strangers is when I'm working, or if there is a purpose for contacting a stranger that I already know of. If someone I don't really know personally suddenly approaches me, I'd usually run away literally, and then, begin to pay more attention to them/observe them from a distance to try to know them better first.


Is this something exclusive to INFjs?