Hope and the others repeatedly said their gratitude to him. He just nodded at it to put a stop to the topic. Honestly, he was also one of those people's targets, so he decided to take care of them.
Also, he needed these people's help. That's why he acted sooner before they suffered. It is also a good idea to plant more debts into these people.
In this case, if by chance in the future he needed their help, they couldn't say no without giving consideration to him. Jem believed that debt is a powerful trump card. Well, it also depends on the people.
Regardless, it wasn't a bad idea.
When they arrived at the town, Hope went along with Jem to the shop. She would also sell their haul from the Gobs they killed.
They went inside a shop with the name Tom's Trading Shop. It was located in an enclosed area, after passing a corner. Jem wondered if what kind of shop hid their shop in a secluded place. This seemed shady to be honest.