This one has answered/commented two questions, both with spam. https://drupal.stackexchange.com/users/12373/clavier-arabe I suggest blocking this user by admin.
1 Answer
@MPD has been already taken care of the spammer.
For future reference about what to do when you see a spam post, see What should I do when I see spam posts?
Most importantly, don't edit a spam post to remove the spam content; that just makes harder to identify the spam.