And the friends i know who play sarah mostly is rendering star, jorian and akashocka, they're sarah's are cool =)
Free Step Dodge
The_King_Edo
Force_of_Nature
Umm... Sarah & Rig aren't bullshit. Learn their weaknesses. A small hint is that they have similar weaknesses.
Hazard
You can't just ban people from using characters. Just as Force said, learn their weakness, don't just try to avoid it altogether.