urgent

hi friends ,am moroccan, and my wife is american , we have almost 2 months cute son,the proble that am living in morocco and she is in oregon usa with our baby.she tried to bring me there an live all together,but, she does not make that enough money to sponsehip me,hence, the lawyer aked her to find somone to do that for me so that she will be able to cantinue the visa procedure,
so, i beg any body to help me on that ,or anyone has some good informtion not hesitate to do this favor for me,
thank you soo much