To understand how and when Jesus appoints the slave over all his belongings, we need to know two things: when he arrives and what his belongings include.
اَلْحَقَّ أَقُولُ لَكُمْ :‏ إِنَّهُ يُقِيمُهُ عَلَى جَمِيعِ مُمْتَلَكَاتِهِ » .‏