Question

what did Mr Hill expect his wife to do in the parties

Answer 1

Mr. Hill was the manager of the bank. He wanted his wife to meet and socialize with people who came to his house for parties. He believed it would be good to make healthy relations with customers as it benefitted the bank.
I hope my answer help to u and right

Answer 2

mr Hill expected his wife to attend the guests in the parties host by him by welcoming them.