Rizzo certainly, Narek almost certainly not. He has something to prove in an almost Agent Ward from AoS S2 onwards way and with Rizzo dead, he might be free to do so.
Oh, I don't think so, depending on how next episode goes. She isn't really involved in things atm, more like a puppet master behind the scenes. Once her involvement becomes more direct she might be goner, but not until then for basic storywriting reasons.
If Seven dies depends on Jeri Ryan really, and what she wanted to do with the character/ how long she would be commited to play Seven again. I can easily see it going both ways, depending on contracts. If she stays on for S2, she'll live, if not, she'll die most likely.
From the La Sirena posse, Raffi has the least to lose, she lost everything already, but one could make that case for Agnes too. One of them will sacrifice herself FOR THE GREATER GOOD. Rios and Elnor feel relatively safe in comparison.
Picard of course will survive, since Sir PatStew has a three season contract and the show is named after his character. And Soji is The Child to his Mandalorian, they will carry the show forward together. Unless prophecy/fate/Zhat Vash stuff happens and she realizes she has to die. But that might not necessarily happen this season.
The Troi-Rikers FEEL safe at the moment, but again, just like Seven, if one of the actors used the opportunity for a "heroic death" part in the show to get closure, a death might be in the cards for one of them. Low probabilty, but possible nevertheless.
Brian Brophy will live forever, of course. He is eternal.