He’s a lawyer, I think. I believe they’re a family of lawyers. Good friends of the Gores from way back when Al was running for POTUS the first time.
This is schtick they’re doing. Anti-Christian theater... a real life Dana Carvey’s “Church Lady”.
And people buy into it.
I heard Phelps went to the same divinity school as Al Gore. Gore got flunked out for peeking into Phelps’ soul and Phelps eventually graduated. < / sarcasm >