Possible meanings are 1) this is a metaphor that means a person should be generous with his possessions and will then receive generously from others , or 2) that a person should invest his resources overseas and will make a profit from it. (See: [[rc://en/ta/man/translate/figs-metaphor]])
"7, even 8 people." This is an idiom that means "numerous" people. AT: "numerous people" or "multiple people" (See: [[rc://en/ta/man/translate/translate-numbers]] and [[rc://en/ta/man/translate/figs-idiom]])
Disasters happening is spoken of as if disasters were something that come to a place. Here "on the earth" may imply that these disasters happen to the person who is commanded to share. AT: "what disasters may happen in the world" or "what bad things may happen to you" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-explicit]])