It was the result of the storm getting worse that triggered the next response. AT: "Because the sea became more violent" (See: [[rc://en/ta/man/translate/figs-explicit]])
"please do not blame us for his death" or "do not consider us guilty when this man dies." The author speaks of "guilt" as if it were an object that can be placed on top of a person. It refers to making that person accountable for their actions. (See: [[rc://en/ta/man/translate/figs-metaphor]])