strik·er 
(strīkər)
(strīkər)n.
1. One who strikes, as an employee on strike against an employer.
2. One that strikes, as the clapper in a bell or the firing pin in a gun.
3.
a. A harpoon.
b. One who uses a harpoon; a harpooner.
4. An enlisted person in usually intensive training for a naval technical rating.
5. Sports A forward on a soccer team.