There is no such faith as "Boutitham"
No.
They were generally Catholic, some Muslim, and Jewish.
This is like if you are Jewish, and being OK with people who don't believe in the Jewish faith. It is accepting other people for who they are as a person even is they do not believe in the same god as you.
The homeland of Jewish Faith is Israel.
Estimates suggest that approximately 20-30% of Jews identify as atheists or agnostics. This can vary depending on factors like geographic location, cultural background, and level of religious observance within the Jewish community.
Most people there are Christians (Roman Catholic, Orthodox, Protestants). Very few people practice the Jewish faith there I believe.
The Jewish faith focuses on God for spiritual guidance and the Torah that He provided for the Jewish people.
Jewish people (Judaism).
To people of the Jewish faith, certainly. This is a question of faith and naturally those who have faith in God as described by Jewish teachings will claim Him to be True. Those who do not have faith in this God or have faith in a different god or gods will claim Him to be False. Only you can decide which is true.
A synagogue is the place of worship for members of the Jewish faith.
People who practice the Jewish faith do not celebrate Christmas.
The Jewish peoples place of worship is called a Synagogue.