Video Hosters similary to Njal.la? Njal.la never had provided video hosting. No one will keep your privacy, for this reasons.
Every single dedicated server or Hosting can be seized or shutdown by their local laws or court orders;
No one will do it, for free. It will have a hidden cost, you must pay to they do it;
Njal.la doesn't store videos. ;
You need to be resilient about everything, you need to have knowledge and switch;
You need to have knowledge about Proxying, Anonymous Payment etc.;
Njal.la is not a video hoster... I think you don't understand what is really works Njal.la, you should research better about it.