Cancel the tag, get her a new one.
If her belongings aren’t expensive or sentimental then turn it around on him and do the same thing. Call him and tell him you want to come pay the balance, but you can’t make it until later in the evening or the weekend and then never show
When he calls answer and tell him you have no recollection of that conversation.
Do this a couple times, and then start telling Him he has the wrong number.
Honestly you have the upper hand in this
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