Please be aware that not all of this is real Japanese, but are actually internet lingo spin-offs of actual Japanese. Be cautious when using these in real life situations.
Warriors (戦士 [senshi]):
Magicians (魔法使い [mahou tsukai]):
Bowmen (弓使い [yumi tsukai]):
Thieves (盗賊 [touzoku]):
Pirates (海賊 [kaizoku]):
The Knights of Cygnus (シグナス騎士団 [shigunasu kishidan]):
Legends (レジェンド [rejendo]):
Resistance (レジスタンス [rejisutansu]):
Phrases and Maple Words:
If there's more you wish to know, please notify me and I'll post it. I'll keep updating this list as I think of more or as people ask me for specific stuff to add.