Mercenary, cavalry… however you want to say it…Here's how you can provide help to others involved in a war in EVE Online: Inferno.

EVE Online Dev Blog: With friends like these… New Ally System
community.eveonline.com
In EVE Online, wars are fought for any reason the human mind can come up with and are a true melting pot of emergent game play. We've always left it to the players to define WHY they fight, but we've also always wanted to give you guys more tools to frame your war-mongering ambitions.