/spawncommand will get you somewhere safe and familiar quick.
/homes bedlocation. This is where you will respawn if you die.
/sethomeand return to it from anywhere in the world using
/sethome [homename]without the brackets. You can then return to that location at any time using
/delhome [homename]. If you use
/delhomewithout specifying a home name, your primary home will be deleted.
/tpa [playername]with the name of the player you'd like to teleport to.
/tpaccept. If you do not wish to accept, you can safely ignore the request, or type