father who does not send .. alimony, .. my son is in a private school

My son and I are American citizens, my husband brought us to Jordan, and after how many years he left us and my son and returned to New Jersey and resided there and divorced me from there..and now my son suffers from a bad psychological condition because of his father who does not send him his alimony, and my son is in a private school because he does not speak nor does he know Arabic and school In need of financial payment in installments..and he does not send neither food, clothes, nor accommodation, because I need help to request alimony for the child from his father, who caused him embarrassment in the school because they are demanding payment of financial requirements and also suffers because he does not send him any financial expense