You can help your family member set up the listing under their profile . @Ally1645
they can then send you an invite to act as a cohost and set up whatever percentage you have agreed for you to manage the listing .
they will then pay tax on the income they generate and you will pay tax on the income you generate .
there is no reason for you to have all the income paid to you .
you can ask a local accountant to help you with taxes.
have a look at the Airbnb cohosting to understand how cohosting works.