It is a noble idea to go abroad and be a volunteer. You are not paid for what you are doing, but it teaches you lots of life lessons. Besides, you are also building up a good resume when it includes an overseas volunteer job. You can also discover new things while you are abroad.
It is inevitable for stressful situations to come up while you are traveling. There might be instances when you thought you have already planned everything out, and end up facing difficult situations. Your flight might be delayed or you have lost your luggage. You did not follow the itinerary you made, or some health problems