1)
Is this connected to the previous verse?
1.
Radak: Yes. Do not give Your salvation to them, rather, to me - I am poor and pained in Galus!
2.
Malbim: Yes. They say that You struck me. I say oppositely - I am poor and pained via them, and Your salvation lifts me!
2)
From what must Hashem lift him?
1.
Radak: From the lowliness in which I am.