Hamuul: Good. With the Legion storming our gates, we will have great need of his power. He might just be our last hope to deliver us from damnatio-
Druarr: Oi, how's it going? Where's my scythe?
Druarr: What is it?
Hamuul: Get out
Raid the Ruins of Ahn'Qiraj. This is by far the fastest way to gain reputation, as a full clear can net over 2000 reputation.
Kill Twilight cultists. All Twilight NPCs will reward 10 reputation all the way through Exalted.
I noticed killing guards the other day the sharding effects spawn rates they come out at quite a pace we were nearly overrun ... texts are a good way to earn rep to.
Or ask gm to personally reset your rep but i don't know if they will do that.
(last option is to farm rep but you will be like weeks late to the xpac)