WHY!!!

Why the F can't I group with my friend in a Party without him Pushing me around and blocking me constantly!!! Just because his class "is bigger " then my class!!! FIX THIS F BS! I shouldn't be dying because I get stuck on a F bridge and can't move out of danger aoe!!! Wtf were you guys thinking with that crap!! How is that something players want in any game unless they're Trolls trying to kill people on purpose!! Fix it!!!