These days people need to know at least two language if they expect to get anywhere in the world, and a big part of the reason what that is the case has to do with the fact that globalization has resulted in knowing just one language being a rather laughable sort of thing if you think about it. After all, you will probably have to deal with people from all different parts of the world at any given point in time, and in order to truly interact with them you need to be ready to show them that you truly take them seriously in some way, shape or form and knowing their language is a part of this.
However, you can’t be expected to know every single language in existence. Indeed, doing so is a very impractical idea and pretty much nobody will be on board for it.
That said, if you plan to invite multilingual people to your Indy party bus, you should still strive to give them a good enough experience by hiring an interpreter that can translate that things that they might end up saying.
These things will all be extremely important since they would be trying to connect with others, and suffice it to say that they will be very grateful that you decided to take out the time to hire someone that can help them communicate. We should all be more welcoming of people that come from different backgrounds, and using interpreters can end up being a really crucial part of this kind of thing which makes it all the more important for you to look into if you want your party bus to be inclusive.