When a player simply get eliminated and the host open the trap door beneath you, you can simply type /home while falling in the void but first place water at your /home spawn point or /lock your island in case a random player visits you and take the stuff if there is no water placed

 

Not needed, no support.

 

nope

 

No support.

 

Redundant, still a neat idea, yet it could also be used as a method of spamming people and could come across as tedious and annoying. Unfortunately, the cons seem to outweigh the pros.
No support.