Re: barrier language
You can learn...and with some basic words together with proper non-verbal communication they will understand what you mean.
It can also be the other way round...
One of my recent guests was from Greece and could not communicate in English.
(And I do not understand Greece language....).
So i sent him messages and Google translated them...
Not the best way of comunication, but it works.
Challenge: imagine how to make clear: please flush toiletpaper through the toilet (as people in Greece seem to put it in a basket) 🤔
One can make a very nice show of it...