Oral Suer, the former CEO of the Washington D.C.-area United Way was a tireless worker who raised more than $1 billion for charities over a 30-year career. However, he secretly funneled several hundred thousand dollars of funds raised for other purposes into this own pocket to reward himself for all the hard work he had done. 

What label would you put on Suer's thinking that led him to decide to act in this way?