hi there !! here are the answers, good luck
1. The poor man was working in his garden
2. It’s the son of the poor man who called the old men
3. He was in the garden
4. Nobody invited the three old men to come to their house maybe because they don’t think about others. It’s possible that they were too egoist to think about how the three old men was
5. It’s a bad idea to invite wealth alone because wealth brings greed