Final Fantasy Hacktics

I pached  my iso to get a Dycedarc in my party, but when i got him, in the party roster and when selecting chars for battle Ramza sprite from chapter 1 apears. How to change that. And a second question how to replace ramzas or other chars Onion kinight job to some other job like holy knight or somthing?

....... you haven't read a single post on these forums have you? anyway all your answers are in the sprites section just look for topics on unit.bin, just do a bit of research b4 you post please