So he used the label "friends"? : Strong Fe
His exchange was a system of repetition: Ni
Privacy from a type known for its persistent inquisitive nature? : Weak Ti
He seems like an ENFJ. Of course it is possible that either he lied to you or this is all a projection of your own personality. Most likely the latter as extraverts seem to suffer from attenuation when conversing over great distances.
Although there is one theory that ENTJ view INTP as a strongly Fi personality due to the Inferior Fe and vice versa the same situation from the INTP perspective. A similar effect is noted among INFJ and ENTP.
Aren't all women? lol its strange I've only ever seen ENTJ use that acronym. It is quite similar to the INFJ dialect of odd grunts. Just go onto livechat and listen to them, noisiest introverts you ever seen. Okay a bit of an exaggeration I know.