What is the meaning of ?

an enemy

an opponent, a competitor

the other party in a lawsuit

: in the red-light district, a term of reference used between prostitutes and customers

: term of third-person reference: that guy, that one, he, she, it

: term of second-person reference: you

an enemy

(Can we verify this sense?) revenge, vengeance

opponent (of the game or conflict)

marriage partner

Source: wiktionary.org