Same account, same device, same world, different player

It would be good if my family or houseguests were able to explore my world when I'm not playing, but rather than just picking up where I left off and play 'as me', they should be able to start fresh from the world spawn point with empty inventory. They would be able to see my structures, and when I re-enter the world, I could see what they've done. This would seem like a simple fix but an easy way to encourage collaborative family play