Agreed, the Sun is a massive power we also still don't fully understand, is mostly safe and has all the energy humans will ever need (IMO); we just need to strive at understanding it and how to harness it better.
The sun is pretty safe to us, yes. No comparison possible.
It isn't. Any power generation method that requires human staff will have deaths due to installation and operations accidents.
Solar is right up there in terms of number of deaths because installation is labour intensive compared to the energy output vs. nuclear.
Maybe that would change if we favoured larger plants over rooftop installations, but at the moment if we replaced all nuclear with solar, the number of deaths would increase significantly.