The devil looks after his own
Definition 1 of 1
Pro Tip 1/3Idiomatic Meaning
The phrase implies that unscrupulous individuals often avoid consequences and even thrive. 
Despite the dishonesty in his business, it seems the devil looks after his own as he continues to prosper.
Pro Tip 2/3Conversational Tone
Used informally, often to express resignation or cynicism about someone's undeserved success. 
She never plays fair and yet keeps winning—well, the devil looks after his own, doesn't he?
Pro Tip 3/3Cultural Insight
It reflects a worldview where moral integrity doesn't guarantee success, contrary to many cultural narratives. 
He scams people and lives in luxury, making the proverb 'the devil looks after his own' sadly relevant.