1)
Who prepared the lethal weapons, and for whom?
1.
Rashi: Hashem, to kill Resha'im who chase Tzadikim.
2.
Radak #1: The Rasha prepared them, for he and the others who chase me, to kill me.
3.
Radak #2: The Rasha prepared them, and they will be used to kill him.
4.
Malbim: The Rasha prepared the sword - it will be used to kill him. He prepared arrows - they will be against those who chase me.
2)
What is the meaning of "l'Dolkim"?
1.
Rashi: For the pursuers. This is like "Dalakta Acharai" (Bereishis 31:36).