How do I summit a General power of attorney

Hi I am Carmen, I am not a lawyer but have been helping my father who does not speak English with court motions and cross motions for a property settlement agreement that his exwife does not want to execute for 2 years now. My father can not afford a lawyer but can despretly use one. He has done a general an absolute power of attorney to me to help him in court and we are in the process of registring and file it with the county. my question is??? How do I present that power of attorney to the superior court of bergen county where my father as a Pro se has a motion that he presented to enforce a property settement agreement signed and approved by both parties and the court 2 years ago. the court dont want to tell me how to proceed at all. A substitution of attorney????? But I am not an attorney so how do I send that to the court ? Under what request?