Learn English – Appropriate word for “interactibility”

Journeyman would feel like the most natural choice to me.

(Addendum: Freemasonry goes with fellow craft between entered apprentice and master mason, but that's a bit wordy for my tastes.)

Here https://www.youtube.com/watch?v=kXMnc2Xjj-o is a show dealing with psychopaths, centered on the neurologist James Fallon, who famously studied the brain function of condemned serial killers who were diagnosed as being psychopath. Quite by accident he discovered that, if brain function is diagnostic, he was a psychopath himself.

During the discussion, the distinction is made between cognitive empathy and emotional empathy. Cognitive empathy is the ability to detect and recognize the emotional state of another person, while emotional empathy results in caring about them.

Finally, some analysts also include "compassionate empathy" http://www.danielgoleman.info/three-kinds-of-empathy-cognitive-emotional-compassionate/ In this view, emotional empathy produces a sharing of feeling, while "compassionate empathy" produces a desire to help the other.