You can set parent via entity IO. The !player target will target all players though. You could use a trigger and use the !activator target to parent to specific players.
Something like this...
Note, this would work in theory. Dunno if it won't just cause the game to crash because I've never tried.
If this is your first time logging in after the migration (Feb 8, 2022), you must reset your password to log in. Follow this guide if you're having trouble