Which 2 neighbors go to fetch Christian back?

They are called Obstinate and Pliable.

Which part of the story are you in? His early traveling companions from his hometown are Faithful and Talkative, although Talkative does not stay with him the entire time. Most of the other characters are those he meets along the way.

Obstinate and Pliable go to fetch Christian back .Obstinate returns to his city of destruction when Christian refuses to return ,but Pliable gives company he also later leaves christian when he sees the Slough of despond.