פילגש girl friend. Not the same as prostitute.
To the Rambam it is an איסור עשה--a prohibition that is derived from a positive command. To most Rishonim it is permitted.
I have pointed out that כלב בן יפונה had what you would call a few wives and girls friends. Kalev Ben Yefuna was the friend of Joshua. He was righteous and the only person in the entire OT that it says about him וימלא אחרי השם "he went totally after God." You can find the relevant verses in Chronicles.
Christians clearly would not agree with this because of reasons I do not understand. Maybe they think Paul can override this? Maybe they are not aware? I really am not sure. I any case it is not my business.
I m not recommending this idea as a first option. It is only in case you find yourself wifeless. Then a girlfriend is a very good and permissible option. And even if if you have a wife, it is still a good option.
The reason Christians are against this is mainly Paul. There are two Pauls. One is the marriage is not good but better than worse things. The other Paul is the Acts of Paul and Thecla which hold that marriage is sin. In any case no of this has relevance for the Old Testament. In the Old Testament ניאוף adultery has a very specific definition and it has nothing to do with sex outside of marriage. It is specifically sex with a married woman with one who is not her husband. A man can have many wives and sex with all of them and that is not adultery. And he can even have a girl friend outside of marriage and that is also not adultery. But as I mentioned it is subject to a debate among Rishonim. The Rambam in fact holds all sex outside of a a marriage is forbidden. Only a king is allowed a girlfriend. But even to his opinion sex with a girlfriend is not a straight prohibition לאו. It is rather a לאו הבא מכלל עשה a prohibition that is derived from not doing a positive command.
In any case, the Rambam is a minority opinion. All other rishonim allow it.
To the Rambam it is an איסור עשה--a prohibition that is derived from a positive command. To most Rishonim it is permitted.
I have pointed out that כלב בן יפונה had what you would call a few wives and girls friends. Kalev Ben Yefuna was the friend of Joshua. He was righteous and the only person in the entire OT that it says about him וימלא אחרי השם "he went totally after God." You can find the relevant verses in Chronicles.
Christians clearly would not agree with this because of reasons I do not understand. Maybe they think Paul can override this? Maybe they are not aware? I really am not sure. I any case it is not my business.
I m not recommending this idea as a first option. It is only in case you find yourself wifeless. Then a girlfriend is a very good and permissible option. And even if if you have a wife, it is still a good option.
The reason Christians are against this is mainly Paul. There are two Pauls. One is the marriage is not good but better than worse things. The other Paul is the Acts of Paul and Thecla which hold that marriage is sin. In any case no of this has relevance for the Old Testament. In the Old Testament ניאוף adultery has a very specific definition and it has nothing to do with sex outside of marriage. It is specifically sex with a married woman with one who is not her husband. A man can have many wives and sex with all of them and that is not adultery. And he can even have a girl friend outside of marriage and that is also not adultery. But as I mentioned it is subject to a debate among Rishonim. The Rambam in fact holds all sex outside of a a marriage is forbidden. Only a king is allowed a girlfriend. But even to his opinion sex with a girlfriend is not a straight prohibition לאו. It is rather a לאו הבא מכלל עשה a prohibition that is derived from not doing a positive command.
In any case, the Rambam is a minority opinion. All other rishonim allow it.