If you haven't followed all the spoilers, chill on this, otherwise :
millenniumfalcon.com • MF.com
Maybe comparing him to Jar Jar is a bit much...but it's clear that he is mostly incompetent throughout the film.
There have also been various interviews where other castmates have talked about the "humor" he brought to the role.
Can barely manage the falcon turrets.
Look at that silly scene where he gets attacked by the "cargo" monster thing....honestly, what the fukk? Why is he being put in silly positions like that?
Then Han Solo has to save him from a random stormtrooper, even though he has a fukking lightsaber.
Finally, he gets his ass whooped by Kylo, while "Rey Is Special".
My dude is a JOBBER....
While the white chick is on some Brock Lesnar shyt.