those who if We empower them in the land by granting them victory over their enemies maintain the prayer and pay the alms and enjoin decency and forbid indecency this last is the response to the conditional clause which together with the response constitute a relative clause of the relative noun ‘those who’; hum ‘they are’ may be taken as the implied subject before this. And with God rests the outcome of all matters in other words to Him these matters return in the Hereafter.