Get an access order, if one is not in place already. Maintenance is sorted, and the Access is sorted, both through the Courts. She has no reason to contact him thereafter. So, any abusive texts etc, save them for one month, and contact the Gardai. The gardai don't take things like that too lightly (despite public opinions). Also, he doesn't need a Solicitor. Tell him pop down to the District Court and ask them to proceed with the application. He will have to face the Judge etc on his own, in the courtroom, but as he is the applicant, it will be her who faces the questions, not him. He can indicate to the Judge that he feels a court order may eliminate further possible friction, and that with the maintenance and access (two main points for a child) sorted, contact can remain at a very minimal