"Si是什么人格？ Si是MBTI中的ISFJ人格类型，九型中的9w1 - sx/sp - ，五大类型中的，Socionics中SEI类型。"
Although INFPs can have an extroverted side, from my understanding the I in DiSC is seems to be more related to Fe, so between the 2 in this case where S is leading I would pick ISFJ
