Who behaved friendly with the lawyer and where did he take him and why?

When the lawyer reached New Mullion, he chanced to meet a man who told him his name, Bill. He behaved very friendly. Soon the lawyer felt comfortable with him. Then the lawyer informed him that he had to serve a summon to Oliver Lutkins. Bill told him that Lutkins was a hard fellow to catch. He was always up to something Bill told him that he would help him to find him. First, he took him to Fritz, then Gustaff's barbershop, main street and at last Lutkins's house.