1)
How does Hashem help him?
1.
Rashi: If they rise against me.
2.
Radak #1: If they hit him 1 , Hashem helps that they cannot kill him.
3.
Radak #2: If they did not hit him, Hashem helps him via fulfilling his Nevu'ah.
4.
Malbim: Via Hashgachah Pratis, He saved him from being ashamed from others.
2)
Why was he not ashamed?
1.
Radak: He knew that his words will be fulfilled.
3)
What is "ka'Chalamish"?
1.
Radak: Like a strong rock.
4)
Why does it add "v'Lo Evosh"?
1.
Malbim: [I will not be ashamed from others,] and I will not be ashamed myself.