A trustee who gives charity at the request of the owner gets rewarded for charity

The Prophet ﷺ said, "An honest treasurer who gives ˹in charity˺ what he is ordered to give ˹by the owner˺ fully, perfectly and willingly to the person to whom he is ordered to give, is regarded as one of the two charitable persons."

عَنِ النَّبِيِّ ﷺ قَالَ: «الْخَازِنُ الأَمِينُ الَّذِي يُنْفِقُ»، وَرُبَّمَا قَالَ: «الَّذِي يُعْطِي مَا أُمِرَ بِهِ كَامِلاً مُوَفَّرًا طَيِّبٌ نَفْسُهُ إِلَى الَّذِي أُمِرَ بِهِ أَحَدُ الْمُتَصَدِّقَيْنِ».