The son has been living rent-free in the house with his father looking after his elderly father, paying for half of utilities and food, before his father was moved to an aged care facility over a year ago. The son continued to live rent free paying full for utilities and looking after the financial affairs and other issues concerning his father, the house and property. The said son is now the executor and a beneficiary. The other two equal beneficiaries, his siblings, are requesting he pay rent into the estate, believing the current situation is a conflict of interest. is this really a conflict of interest?