I'm not sure if a long lost friend is ENFJ but I remember being very close to him when we were studying in uni, years ago. He was this very out going, sociable, people-person, full of life, full of energy, full of enthusiasm and extremely passionate and very personal. Very funny, very fun, very neat, tidy, clean, and admitted that he's an absolute perfectionist. He had his troubles of people who had manipulated him and took advantage of his generosity and kindness. He was so deeply upset about it and took it quite personally, despite the fact that it happened a long time ago.
One time, he suggested that we both colour our hair of 2 different colours. His, blue and mine, pink. He was so excited about it that he went all out to find out where to get the hydrogen peroxide chemicals and semi permanent hair dye, how much they would cost, how much of what to mix to get the desired affect, how to do it, how long it would take for the colours to fade, health precautions, possible side effects, etc... He found out everything that he needed to know with utter precision and was VERY adamant about not having faded blue hair. He said that he will never have his hair to turn green in colour from the faded blue dye because it'll look like he has grass growing on his head
I've always remembered him as the guardian or freedom fighter. He would always defend me whenever there was any negative energy from the other housemates and upheld justice whenever possible. I never really spoke up for myself then (because I didn't quite see the real necessity to inform the 'enemy' of any of my thoughts) but he would and would do it with an fiery fist and a mental list of very plausible defense for anything. There were cliques and packs within this huge group of housemates, classmates and friends and me and him made a strong unit together (he was on my side and I was on his too). When I had troubles, he would be there for me, always.
I knew a dozen of other people, who were my friends, who hated him so much that they talked bad about him a lot with me. I never echoed their negativity because I treasured the friendship I had with him. Unfortunately, somehow, he thought I was 'with them' and decided to quit speaking to me and avoided me at all costs. That was the last time I saw him too. I really miss him