Arthur Watts/Affiliation

Salem's Faction
He is a member of Salem's group.

Salem
Not much is known about their interactions, but he appears to loyal and respect toward her.

Cinder Fall
He appears to look down toward Cinder after she was defeated by Ruby. He also glad that she can't talk as he continues to insult her.

Emerald Sustrai and Mercury Black
Not much interaction between them, but apparently he treat them the same way as Cinder.

Ruby Rose
Although he never met Ruby in person, but he comment on her ability she use to defeat Cinder.