What does «afer» mean in Spanish?

Business, task, matter.
Illegal or scandalous matter or case.

Examples of use in Spanish: "el afer de Watergate le costó la presidencia a Nixon".

"se vio implicado en un afer de contrabando de armas".
Amorous relationship, usually without commitment; affair.

Examples of use in Spanish: "tengo un afer con una compañera del trabajo".