Right, this is one typing that has completely baffled me.
This girl was the girlfriend of a very good friend of mine. I'm convinced he's INFj.
So, about her and their relationship - - I met her, but I don't know her very well.
They stayed together for some 3 years but the INFj often thought of leaving her. His main complaint is, "she's too bossy". Very early in the relationship he tried to break up but she broke into tears so much that he backed down.
In school she enjoyed debating and even took part in debating contests, mainly about political issues. She was known as "very political". I chatted about politics with her once, briefly. She uses a mix of , and - often being very assertive to make the point, saying things like "that's how it is, period" etc.
She can be very talkative and joyful. Also, she's very adventurous -- she was the one who pushed him into going with her abroad for temporary work just after university.
So I considered for a while ESTp logical subtype or ESTj. I could see her easily as either. But the problem is that that would make her either my friend's conflictor or dual. After considering the issue a lot, I thought that it was more likely that they were conflictors since he never felt anything like duality with her -- there was always an edge.
However, after a while, discussing the sexual behavior groups with him (not going very deep), it seemed to me that she could not be an Aggressor and he confirmed. He agreed that he seemed to be infantile and could not see her as aggressor. So she seemed to be either Careful or Infantile herself.
Taking that into account, the types that seemed to fit her personality the most would be either ESTj or ESFj. But then we'd either have a duality that failed miserably or an ESFj very interested in heated political debates (again, in debate competitions) who often said what she thought without much concern about . But apart from this characteristic, she could well be ESFj IMO. But none of the other ESFjs I know enjoyed that kind of discussion so much.