Disapear and Died thrall whitout reason and lost of all itens

You will likely need to add more info before you will get useful responses.

I think this is still the format: NEW Bug Report Template

You playing Solo, on a server Server, with Mods? You’re on PC, so that helps.

Also, it is useful to know if your base is open-plan?
Whereabouts on the Exiles Lands map?
Purely guessing that you log in daily and all your thralls (fighters, archers, creafting thralls) have weapons and food in their inventories? This is not mandatory, but certainly helps.