Problem with the giveaway winner :\

(I'm not really good in English)

A few days ago after ended this giveaway
I checked the profile of the winner.
and he never redeem the last game he won (and give it)...
So I decided do not give him the game, and contact support for a reroll
So I contacted him for explain him all :\

Here is part of the conversation (he never redom is Nuclear Dawn the first game he won):

Dvir01: i cant give yoy the game
Dvir01: you*
ALIEN: why?:)) i win it
Dvir01: so?
Dvir01: you know you can get ban
Dvir01: cuz you give it
ALIEN: what?
Dvir01: read rules
ALIEN: You Won: Transformers: War for Cybertron
Closed 2 days ago
Dvir01: i dont need to give you this if you dont care from the site rules
Dvir01: its reroll soon
ALIEN: lol
ALIEN: what rules? show me the rules
Dvir01: ok
ALIEN: can you show me the rules
ALIEN: ?
Dvir01: http://www.steamgifts.com/forum/91wob/faqrules-and-guidelines
Dvir01: look in Giveaways
Dvir01: Giveaways rules
ALIEN: The submitter and winner(s) of the giveaway have seven (7) days to complete the gifting process. This includes the activation of the gift on the Steam account of the winner.
Dvir01: yep but
Dvir01: read all
Dvir01: You must redeem the game on the account you entered with, and may not trade it to others.
Dvir01: see
ALIEN: yes, I REDEEM IT
ALIEN: LOL
ALIEN: i don't trade it
ALIEN: omg
Dvir01: can you give me link?
ALIEN: link of what?
Dvir01: your games list
ALIEN: yes
ALIEN: look into my profile
ALIEN: at games
ALIEN: you can see all my games
Dvir01: i know
Dvir01: sec
ALIEN: i don;t trade it. lol
ALIEN: i want it for myself
Dvir01: i dont see the game
ALIEN: yes. because i don't have it lol
Dvir01: --
Dvir01: you need to have it
ALIEN: i win this gift and now you must send me my gift if you create this giveaway
Dvir01: no i dont
ALIEN: if you don't i will report you
Dvir01: ok
ALIEN: and you wil get banne
ALIEN: banned
Dvir01: lol i?
ALIEN: because you don't want to send my gift:(
Dvir01: you will be baned
Dvir01: cuz you dont care from the rules
ALIEN: it is normal to create a giveaway and don't send the gift for the winner???
ALIEN: who tell you that i don't respect the rules?
Dvir01: if the winer like you
Dvir01: yes
Dvir01: i dont need to send
ALIEN: hey
Dvir01: its will reroll
ALIEN: who tells you that i don't respect the rules?
Dvir01: you
Dvir01: --
ALIEN: how?
ALIEN: i need that game for me
Dvir01: oh rly?
ALIEN: because i win it
Dvir01: lol
Dvir01: bb

lol, the lies :P
So what do you say? Give him the game or wait for support?
(I do not want him to give this game too)