the humanitarian work is the best in this world because you are going to help the people who are really in need. the work with such movements and getting experience of leading and management its extremely interesting. the french red cross is like a school teaching you how to lead and manage a project.
Cons
the turnover between the expat actually have an impact on the project and it needs to have a long term of a real strategic without many changes. the second things is that the salary is not good.