is that the one from PokemonRO.com?? looks similar to what they had. (no not PokemonRO.net)
PokemonRO.com had an excellent project in progress that was developing a complete Pokemon system including Pokemon Evolution, Skills, Pokemon Catching etc.
The classes would be the jobs that we see in Pokemon - Trainer, Bug catcher, Breeder etc. And they were using different sprites than the ones we have seen lurking around
SADLY the site suddenly disappeared one day and no news after that
EDIT: Looks like what you have is from PkRO.net
found two videos of it
Cardinale reacted to Neo-Mind in [WIP]Pokemon MOD Package for Hercules
