A non-Jew who wants to attend a Jewish prayer service may sit wherever there's an available seat.
If you are an orthodox jew the men and women sit in different places but if you are a reformed jew you can sit anywhere
Yes.
Maybe, if it's a non-denominational synagogue.
Jews are Jewish and non-Jews are a different religion.
A secular or irreligious Jew.
Yes.
In Jewish, goy is a non Jew. So is Gentile. or the female gender of Jew is Jewess
In Jewish, goy is a non Jew. So is Gentile. or the female gender of Jew is Jewess
a JEW, a person who follows Judaism, worships in a temple.
It is sometimes called a mixed marriage.
Yes. Especially so at a non-Jewish funeral. However, a Non-Jew should not lead an Unveiling for a deceased Jew, even though it may be permissible in certain circumstances.
I'm assuming you're speaking of the incident that is called the "cleansing of the temple"? Jesus did this because the area where the merchants set up was the court of the Gentiles. This was as far as a non-Jew could go in the temple. This was to be the place of prayer for all nations. Instead, it had been turned into a market.