will abide by the rules, treat people with sincerity, speak elegantly, will behave with courtesy and refinement, and knows how to properly balance work and play. 

He likes to play games to get to know new people.  He has a cunning personality and likes to speak sweetly, but is full of words that invite misunderstanding and confusion among those who listen.  That was the reaction Yato liked to see.  He enjoyed seeing other people scared and confused.