If he was ordered by the courts to pay child support and refuses to pay, you can sue him for non payment.
Haddii ay maxkmaddu go'aan ku gaarto in waalidka kale laga doonayey in uu bixiyo lacagta daryeelka caruurta, laakiin uusan bixin waxaa lagugu qaadi karaa in aadan fulin amarka maxkamadda.