I'd love Rose to have more screen time (and Bernard, bless him
Rose would be great to have in charge of something.
When the first load of food dropped (in "Dave") I actually thought of Rose to be the one who should look after the food.
She'd be fair, honest and people would listen to/respect her.
She has a wonderful aura that just makes you respect her but not in a way that you're scared of her or feel you're beneath her or something. You just know you could take to her and she'd listen and not make you feel bad.