"Capo" in Italian means Boss, as well as head; in this case "capomafia", or mafia boss.
The episode title: "Fico de Capo." Literally, it means fig of the head, fig at the head. Figuratively, difficult to find a translation. In this episode, it could mean head of the family, i.e., the don of a crime family. In literature, the fig has been used to represent family or unity, themes of this episode. (03.09.2020)