Classes?

Wizard - magic user
Cleric - divine user
Fighter - martial user
Denier - forms user
Professor - science user
Monk - ki user
Yogi - chakra user
Engineer - steam user
Steampunk characters have an optimism not found in some other characters  
Ranger - nature user
Messiah - charisma user
Warlock - infernal user
Viking - fury user
Esper - telepathy user
Cymatic - frequency user
Thief - guile user
Mambo - voodoo user
 Psychokinetic - fury & telepathy user
Skald - frequency & guile user
Devil - guile & infernal user
Bard - frequency & magic user
Raga - frequency & chakra user
Pretresavane - divine & voodoo user
Rusecrafter - magic & steam user
Runecrafter - divine & magic user
Berserker - infernal & fury user
Templar - divine & martial user
Nascent - ki & science user
Bodhisattva - ki & chakra user
Swami - chakra & divine user
Druid - steam & nature user
Spriggan - nature & martial
Fiend - charisma & infernal user
Witch - magic, charisma & nature user
Guru - ki, chakra & charisma user
Philosopher - forms, magic & science user
Pirate - charisma, guile & martial user
Succubus - guile, charisma & infernal user