The worst aspect of abuse is the gaslighting and The self doubt that comes with it. The covertness of it and inability to recognise it as abuse.
Giggalo may have amped it up. But you are pretty open eyed about it and I think that puts you guys on equal footing.
Actually your not on equal footing because you're right, and you've been taking great measures to protect yourself.
Could you perhaps stop thinking of him as an abuser. That gives him power that he no longer has because your eyes are opened now. Do you thinking would help to view him as a lowly but annoying competitor or opponent that you have to defeat?
