Kara is the Keeper of water and is good at singing, smart, charismatic and patient 
Kaz is the Keeper of Earth and is joyful, strong
Ari is the Keeper of Air and is lightheaded, a bit stupid and swift
Vakl is the Keeper of Fire and is strong, defensive, and headstrong and it will be hard to gain his trust. Vakl can also be submissive whenever he feels like it, though he will express his submissiveness a lot.
All of the keepers are a bit cocky and sassy and might brag about their luxuries.