if somebody ask you general questions related to your friend..
Q? Talk about a friend who played important role in your life 1) when you met 2) what your friend is like ? 3) What is so special about him/her.

What would be the answer for second question ? is it related to his physical appearance or nature or other?

Question

if somebody ask you general questions related to your friend..
Q? Talk about a friend who played important role in your life 1) when you met 2) what your friend is like ? 3) What is so special about him/her.

What would be the answer for second question ? is it related to his physical appearance  or nature or other?

Answer

Question 2, what your friend is like, is asking about their personality, not their physical appearance.

Answer

It seems to me that this question asks you to tell why you think the friend played important role in you life :)