First off, sorry for the long delay. The owner of this site, Tim, has been having some serious family problems.
The simple answer is that one cannot join in Saudi Arabia. As Masons, we are obliged to follow the law of the land and in S.A., Freemasonry is illegal.
The law may be foolish, but it is the law. There may be irregular or clandestine bodies there claiming to be Masonic, but they are not recognized by real Masons.