Complex sentence: I, being one of the Campus Ambassadors supervising to this user can verify this fact and that the user now uses the username hereby put this username up for speedy deletion so that some other person may be allowed to use this.
Split into simpler sentences: I, being one of the Campus Ambassadors supervising to this user. Can verify this fact and that the user now uses the username hereby put this username up for speedy deletion so that some other person may be allowed to use this.