1)
Why did he say "Bli Avon"?
1.
Rashi: I did not sin against them.
2.
Malbim: They think that it is it is no sin to kill me, rather, it is permitted.
2)
What is "[Yerutzun] v'Yikonenu"?
1.
Rashi: They are prepared to kill.
2.
Radak: They run and prepare themselves to seize me. Really, it should say v'Yiskonenu; the Dagesh in the Kaf is in place of the Sov.
3)
What is the meaning of "Likrasi"?
1.
Radak: Save me from them.
2.
Malbim: Stand on the side that borders, to greet me, i.e. the side of the table where Sha'ul sat, and from there he threw the spear to strike him. See and supervise that he not fulfill his intent!