A Sacker

1. A person who sacks or plunders.
2. A person who fills or makes sacks or bags.
3. A machine or device for filling sacks.
4. A person who sacks or fires (dismisses someone from a job or position).
5. (baseball, softball, in combination) A baseman (player positioned at or near a base).
6. (American football) A player who sacks (tackles the offensive quarterback behind the line of scrimmage before he is able to throw a pass).