Not doing anything without a personal benefit, calculating every move based on personal interest. An opportunist never takes a stitch without a thimble.

Better late than never: doing something outside of the expected timeframe is still better than not doing it at all. It is the universal justification for the person who shows up last, finishes last, or starts long after everyone else.

Shameless audacity, the ability to do or say something unacceptable without showing any shame, leaving others speechless

In all of Latin America, a child or person who goes to tattle to the authorities at the slightest problem. The acusetas always knows more than they should and never keeps a secret.