Role? Osama's goal was bringing down the Saudi kingdom, ever since the latter stationed "the crusaders" in their other holy land of Mecca and Medina in 1990. During the early to mid 2000s the AQAP insurgency tried just that by attacking Western and regime targets in Saudi Arabia until they were defeated and now they exist pretty much only in Yemen (with cells elsewhere including Europe, the Charlie Hebdo attack was theirs). You're very confused.

Role? Osama's goal was bringing down the Saudi kingdom, ever since the latter stationed "the crusaders" in their land of Mecca and Medina in 1990. During the early to mid 2000s the AQAP insurgency tried just that by attacking Western and regime targets in Saudi Arabia until they were defeated and now they exist pretty much only in Yemen (with cells elsewhere including Europe, the Charlie Hebdo attack was theirs). You're very confused.