In the end it's up to you to decide if you wish to risk your own funds or not, but as a whole revshares are not planned to last very long or at least most of them, and financial losses are quite possible.
Yes i doubt he meant Traffic Trader Clare, more likely some of TrafficMagician, TrafficTeams or TrafficRoyal which are from the same owner. Don't know if there are any issues with the payments in those sites though.
Yes sounds badly, I wonder if his PayPal is frozen could he pay trough Payza or some other payment processor or the problem is that the owner has too many funds stacked in his PayPal account?
I've had never been paid there but I guess owner issues with PayPal is causing that huge delay in payments.
I guess you couldn't do much except for waiting patiently and maybe in the end you'll receive yours.