"There are some rumors but you know how rumors are. They keep spreading until someone can bring solid proof." Grace's answer was the truth as he truly felt that Zach was merely asking for his own understanding. He wasn't the least bit suspicious.
"To be honest, all of us had been discussing this topic but we couldn't make the heads or tails of the situation considering that all of us play a managerial role in sugar production. I heard from Clara that you like to help out the workers from time to time. Then you must have a different outlook on things which is why I feel that you are the only person who can help me out."
Zach didn't want to ask the questions that he wanted to ask all of a sudden because it would then be no different from an interrogation. As such he had to build on a conversation before getting to the main question that he wanted to ask him.