Errorist refers to someone who repeatedly makes mistakes. Says stuff he believes is true, but anyone with common sense can see he's wrong. 

某人老是不停的犯错。说着他自认为正确的话，但是任何有常识的人都会知道他是错的。这就是“不停犯错的人”。

 

They believe they are right even though their logic¹ is full of errors. 

“不停犯错的人”认为他们自己是对的，尽管他们的逻辑充满错误。