This guide is an essential resource for all those wanting to understand how the humanitarian system works, who to influence and what issues to campaign on in order to ensure respect for the rights of women, men, girls and boys at risk or affected by conflicts and disasters. This guide has been produced by Oxfam’s Rights in Crisis Campaign as an essential resource to guide Oxfam staff, partners, allies and anyone involved in humanitarian influencing work –whether you are working at country, regional or global level. It draws on Oxfam’s more than 60 years of humanitarian programming, campaigning and advocacy work.