Instead, you shall open your hand to the poor, and you shall lend to him whatever you perceive him to need
Other versions
King James Version
But thou shalt open thine hand wide unto him, and shalt surely lend him sufficient for his need, in that which he wanteth.English Standard Version
but you shall open your hand to him and lend him sufficient for his need, whatever it may be.New International Version
Rather be openhanded and freely lend him whatever he needs.