Why did Mr shafter ask Mc Murdo to find some lodgings other than his house

I think he doesn't feel safe at his home. After they part, McMurdo walks to the house of Jacob Shafter to seek room and board. An incredibly beautiful young woman opens the door, and McMurdo is dumbstruck. She invites him in and introduces herself as Ettie, saying her father will be back soon. Old Jacob Shafter returns and accepts McMurdo’s request for lodging.

Why did shafter turn against McMurdo

What reasons did McMurdo give to defend himself? What was Shafters response

Give textual evidence