How can I convince my narcissistic, bipolar ex to seek medication for our child’s safety?

The father of my child doesn't see anything wrong with him. Everyone else is wrong. He struggles to keep a job. He has lost his family and I'm his second divorce because he hit his true personality from us. Did the whole love bombing. And after he married us the monster came out. He is still the father of my child and I have to feel with him regularly. The court believed his lies because he's an excellent manipulator. He even turned my own attorney against me despite all the evidence. Anyways, he's still the father and he has right over her too but I fear for her safety. How do I convince a person like that to stop his ways and try some medicine?

How can I convince my narcissistic, bipolar ex to seek medication for our child’s safety?
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