lula

Example:He goes by the nickname Luiz, also known as Lula.

Definition:A Portuguese and Spanish masculine given name, sometimes used as a nickname before the use of more modern names became widespread in Brazil.

Example:Some people refer to him as the boss his supporters, despite never officially holding an office since his presidency.

Definition:Refers to someone in charge or in a position of authority, similar in terms of power and respect, though not always officially held.