Hello there, folks!
It's been quite some time since I got interested in typology and personality types. The first test I took was the 16personalities.com's Neris type explorer and the result I got was INFJ. Since then, in a period of three years, I've tested as INTJ, ENTJ and ENFJ.
The test results switch from I to E has probably had to do with me getting more confidence and becoming more open a person when getting older as well as having worked as a salesperson and a fundraiser. But still, it's odd that a person would score so many different types in such a short frame of time. It seems that the only place where there has been consistency have been the letters N and J.
The confusion was so strong that I needed to delve deep to the Jungian cognitive functions theory. I reasoned that I fit to the Fe-Ti- axis, which would lead to me being an FJ or TP type. I also am fairly certain that I'm and intuitive. That's an NFJ or NTP. I'm quite ambiverted in that sense that I spend lots of time reading and introspecting, but I also have a high activity level and tend to be really expressive and enthusiastic in circumstances that allow it.
Meeting new people and having a meaningful conversation with them is one of the biggest joys life has to offer. I could basically be a balanced ENFJ, INFJ, ENTP or INTP. I might say I'm not as scatterbrained as Ne-types sometimes seem to be. All the cognitive functions tests I've taken score highest on Ni and Fe, which translates to the types INFJ and ENFJ. I have suspected ENFJ because of the high activity level and expressiveness I mentioned.
The reason why I've started to doubt my type is that although the ENFJ's description matches me in many ways, most of my friends seem to be NT types and my need for intellectual discussion oftentimes surpasses the need for emotional connection and all the nice banter people around me engage in. Wouldn't it be more natural for an ENFJ to engage rather than withdraw in situations where people are talking about things that are of no interest to him, but he still knows the people and likes them? I try to do it, but sometimes just talking about the latest gossip and people's weekend binges gets quite ravening. Also, the need for excessive banter and jokecracking isn't there. To my fortune (or misfortune) I'm surrounded by ENTJs, ESTJs and ESTPs, who have their ways with those things. I just don't feel compelled to participate and that makes me doubt if I'm a real extrovert as I can be quite a loner sometimes.
All in all, I still think the most likely types are ENFJ, INFJ and possibly INTJ and ENTJ. I can't make up my mind between those.