JMNT(i)
6 But to the contrary, a brother is constantly being brought to court (sued; judged; evaluated and decided about) with a brother (= by a fellow believer; or: member of the same family) – and this upon [the basis and situation] of unbelievers!
7 Indeed, it is already (or: to begin with [= even before going to court]) therefore wholly an effect of a lessened condition in (a result of a diminishing from an overthrow for) you folks – that you continue having lawsuits with one another. Why not rather continue suffering wrong (or: be repeatedly treated unfairly and unjustly)? Why not rather continue being defrauded (or: being deprived from; or, as a middle: allowing yourselves to be cheated)?