He's not a traitor. He is extremely loyal to Putin.
The problem is at the US end, in which the GOP has lost faith in multi-race democracy and decided it is willing to cheat to win elections.
The tea leaves are there for the reading. They are promoting their aims: through gerrymandering; through Supreme Court seat-stealing; through census question changing; through the avoidance of oversight. Basically, they are willing to cheat to stop America from being taken over by brown and black people.
Trump is a symptom of what you get when you abandon the idea that this is a country of laws. A country of men soon becomes the country of one man.
I doubt the US will have a fair election in 2020.