## It is because of the money that was returned in our sacks the first time ##
Alternate translation: "This is happening because of the money that someone put back in our sacks the first time we were here." (See: [[rc://en/ta/man/translate/figs-activepassive]])
## that he ##
"that Joseph"
## we were brought in, that he may seek an opportunity against us ##
This can be translated as a new sentence: "They are bringing us in here so that he may have the chance to accuse us."