Setting up a musician's PayPal account for my under 18 child. Managed by Parent/Custodian

[AvaOtterbein]

How do I set up and manage a paypal account for my under 18 year old child performer? There is another performer who is doing this at this link and I would like to arrange the same set up. Allie's Busking Tips ❤ (paypal.com)   https://www.paypal.com/pools/c/8dwHxIVSy1