The enslaved people could've seen Uncle John as a hero because of his kind act of giving back the raccoon. He didn't have to lift up the boxes and let it go so they were very thankful. It payed off because they showed their appreciation.
Hope this helped (•‿•)
Possessive pronoun is what you are looking for.
Examples of possessive pronouns:
The kids are Yours and Mine.
We shall finally have whats rightfully Ours.
The Dog is Mine
The Cat is Yours
(So essentially a possessive pronouns are anything involving anything with possession as above.) Such as What is mine is yours etc.
Or the Playstation Four is mine but, the xbox one is yours.
Q: Why can’t you trust atoms?
A: Because they make up everything!
You would use a colon (:) or semi-colon (;)