List and discuss deatils in this passage that reveal new information about sergeis character

In the story, we know that Sergei uses his wishes for the goods of others,
The first one is to cure his sister's lung cancer,  the second one is to cure his son's mental problems

Based on this, i think we can conclude that sergei has a kind hard and always want to help those around him without regards for himself

hope this helps

This would be third person because they are using the correct pronouns that belongs to third person like he, the name, etc