Yes,I'm on the other side of the Flight Deck door and have just replied to your life in Doha question...
Purely and simply...demotions and terminations are rife and often without reason...
I have just"left"QR because I applied for compassionate leave(my mother has since passed away).Although I was assured this was not the reason,I was given NO other reason apart from the fact that some other cabin crew ran to the office mouthing off(I was a supervisor)...
Tread very carefully!
Good luck!