******** garnishee deductions from old Mutual

Good evening I need advice from the ombudsman or how I can get into contact with them my complaint is as follows : I was in arrears with my old Mutual loan account of which they started to garnish me from my employer since 2014 if I am correct the garnishee was completed in October 2023 of which I was happy about but than come February 2024 they started to garnishee me again wit a higher amount than the 21000 plus they took prior now it's a whole 38000 plus. Please assist me