'Maintain' in the Bible

then hear thou in heaven their prayer and their supplication, and maintain their cause.

then hear thou their prayer and their supplication in heaven thy dwelling-place, and maintain their cause;

And let these my words, wherewith I have made supplication before Jehovah, be nigh unto Jehovah our God day and night, that he maintain the cause of his servant, and the cause of his people Israel, as every day shall require;