hiring a youtube team

Hi, I am looking for experienced YouTube video editor and thumbnail designer. I'm ready to hire someone in a day if I see you have experience. Style I'm looking for is something like: https://www.youtube.com/@ImanGadzhi/ https://www.youtube.com/@NiklasChristl/...

How do big YouTubers hire people to manage their videos and uploads? Wouldn't they need to give them their password and give them access to all their account information. Perhaps, there is a legal step such as filling disclosure forms and keeping a tight lid on who your team members are in the...