Why did a guy I just meet hug me? *UPDATE* Does he like me?

Anonymous
THIS IS MY QUESTION FROM YESTERDAY: Why did a guy I just meet hug me? Would you hug a random girl?
We were both volunteering at a summer camp for kids. The little kids were having a water gun fight and the guy kept shooting me with the water gun. There was once a point where he shot me in the face haha. Later on, he had a conversation with me, asked my name etc. Before he left, he was just hanging out with his friends, But before he left, he said goodbye to them. Then he came to me and asked me for a hug/said goodbye. It caught me off guard because I literally just met him like 15 minutes early. Is it just friendliness? As a guy, would you hug a girl you just met?

UPDATE: Today I saw him and I had went to sit in a seat. He was going to also sit in that seat, but I had got there first. Anyway, he ended up sitting in the seat with me (sharing). It was time to go play with the little kids and he joked around that I was his camper. Once again, he kept targetting me with water guns and was also playing with my hair. He jokingly tried to take my phone from me. Later on, he kept asking me questions about what classes I was going to take. He had said that if I am in his class, he will sit next to me. Before we left the camp, he hugged me again.

Why did a guy I just meet hug me? *UPDATE* Does he like me?
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