The word you are looking for is gentile.
It is sometimes called a mixed marriage.
A secular or irreligious Jew.
Only idol-worshipers are known as pagans. Christians and Muslims are not. The proper term for a non-Jew is a Gentile.
Goy or Gentile are words that can be used to mean non-Jew. In the Holocaust, in Germany in WWII, all non-Jews would become called 'Aryans' (whether they fitted the description of an ideal Aryan or not)
Yes.
Jews are Jewish and non-Jews are a different religion.
Maybe, if it's a non-denominational synagogue.
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?
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.