Moses
Genesis 44:2ESV·traditional attribution

and put my cup, the silver cup, in the mouth of the sack of the youngest, with his money for the grain.” And he did as Joseph told him.

John Calvin Reformed @genevareformer

2. And put my cup, the silver cup. It may seem wonderful that, considering his great opulence, Joseph had not rather drunk out of a golden cup. Doubtless, either the moderation of that age was still greater than has since prevailed, and the splendor of it less sumptuous; or else this conduct must be attributed to the moderation of the man, who, in the midst...

Matthew Henry Presbyterian @wholebiblehenry

Joseph heaps further kindnesses upon his brethren, fills their sacks, returns their money, and sends them away full of gladness; but he also exercises them with further trials. Our God thus humbles those whom he loves and loads with benefits.

Commenting on Genesis 44:1-17

John Gill Reformed Baptist @doctorgill

And put my cup, the silver cup, in the sack's mouth of the youngest,.... Benjamin; this he ordered to be done, partly to put him in apparent danger, and try how his brethren would behave towards him in such circumstances, and thereby know how they stood affected to him; and partly that he might have an excuse for retaining him with him.