this guy could be Six, imo.
An INFP 8 though? I don't know about that. It pretty much contradicts every aspect of our personality...
And why you think E-type cant contradict your MBTI personality? You never seen people with great inner conflict?
I heard of few INFP 8s, dont know them personally, but brother of someone who is in MBTI business for her job is INFP 8, I trust that information. ENFP and 3 isnt the best combo either, still I am one.