You can buy steem power delegations on blocktrades.us. What we need to do, is go for a co-ordinated week of flagging, draining every single post and comment of his to 0, and knock several points of his reputation. Once that has happened he will have no choice but to come around and talk.

I have laid out a more detailed plan here: https://steemit.com/flagthedonkey/@missioncontrol/plan-of-action
#flagthedonkey