Permit me to throw some light into this. The global world might to have not completely gotten aware of this.
There is a group of militant in Nigeria West Africa popular by the name MEND(movement for the emancipation of the niger delta)
Niger delta is a very rich oil producing region in Nigeria and it's has become some sort of black gold region of Nigeria.
This group was created with the goal of rebeling against the illicit actions of the government in that area to promote the interest of citizens living around the area to benefit from there natural resources.
But over the years this has brought more harm than good in that area the introduction of the rebel groups has giving rise to other groups who has been notorious and terrorising the region(stealing, raping, vandalizing pipelines etc)
The nation has lost huge amount of money due to the action of this group over 4billion dollars in 2016.
Another so many other vices has been born like kidnapping, illegal fire arm peddling and so on
Nigeria government are quite corrupt in there practice and that's no doubt but rising a rebel group(who the member are notorious) has not done any good rather it has compounded the problems.
The best approach should be a dialogue