Striker

Part of speech: noun (n.)

1. One who, or that which, strikes; specifically, a blacksmith's helper who wieds the sledge.

2. A harpoon; also, a harpooner. Wherever we come to an anchor, we always send out our strikers, and put out hooks and lines overboard, to try fish. Dampier.

3. A wencher; a lewd man. [Obs.] Massinger.

4. A workman who is on a strike.

5. A blackmailer in politics; also, one whose political influence can be bought. [Political Cant]