To me, 3rd st re-raise is nearly automatic. I would suspect Seat 8 of trying to thin the crowd.
At 4th, I'd have trouble reading Trip 2s because of my own 2 and it seems to me it makes for an odd re-raise on 3rd for Seat 8.
But Seat 1's double bet is a poser. If I know the player, my decision would be based on whether he will automatically double-bet and on my read of his calls on 3rd street. Also, some players will never have trips here because they would have folded 3rd. If I don't know the player, then I think I should fold.