In French, "flic" is a commonly used informal term for a police officer, and it is masculine.
It is the same in masculine and feminine.
Feminine
The police force: la police (or 'la gendarmerie' by the countryside); The police officer is 'un policier' or 'un gendarme'.
its masculine no doubt
feminine
Masculine
masculine
La pizarra is feminine, (el) is masculine, and (la) is feminine.
Une école feminine
it is masculine so El
directeur → masculine directrice→ feminine