First off, welcome to the discussion between Calvanism and Armenianism. Both sides have valid, biblical points, but I feel (and this is somply my opinion after searching the scriptures) the truth lies somewhere in between.

For the purpose of this questions, I feel you can simply answer this question. God does not desire forced worship, therefore, in His perfect will, He provided the opportunity for us to choose. The amazing part is that He ALSO provided the redemption from our inevitable bad choice. -don't forget that part. :-) 

i am like you I have never understood that. Some people say that it is a person othersdon't know. When the time comes I believe that God will let his people know the trueth about it then. 

Since Revelations is a symbolic book I would dare to say that it will be a person.I could be wrong. 

One of the greatest mysteries of all time is the identity of the dread Beast of Revelation. The Bible describes him as the ultimate villain in human history, the archetype of evil, the incarnation of wickedness and perversion.