Close call between Sabin and Tifa, but I'm gonna have to go with Sabin.
Monk (FF1)
Josef (FF2)
Yang Fang Leiden (FF4)
Sabin (FF6)
Tifa Lockheart (FF7)
Zell Dincht (FF8)
Amarant Coral (FF9)
Monk Class (XI)
Other
Close call between Sabin and Tifa, but I'm gonna have to go with Sabin.