your alternator
it could be the starter or it could just be a bad battery, try to jump start the vehicle with another vehicle with jumper cables or a jumpbox, if the vehicle starts, most likely it is the battery. It is still a good idea to get the starter checked out.
YOU JUMP
James Philipps has written: 'Understanding St. Paul (Jump Starts)' 'Jump Starts for Catechists'
jump
A jump rope
Best guess would be that you have a short to ground somewhere that is draining your battery.
I have no idea
jump
Jump, jog.
A jump drive
JUMP!!!!!!! :)
Jog, jump