Anyone who knows how may do so. Many synagogues have a cantor specifically for that purpose, especially on Shabbat and festivals.
The cantor.
The guy who leads services at synagogue.
The Rabbi leads the order of the service and the Cantor leads the prayers.
Mass (church), gathering at a synagogue or other holy places, or simply praying.
If you who Muslims worship, then the answer is Allah (God in English). If you mean praying by your saying worship, then the answer is that the Imam is the one who leads Muslims during praying.
it is so that they will pay attention to praying and not to each other.
The same way it is celebrated today - by fasting and praying in synagogue to God.
Jews Praying in the Synagogue on Yom Kippur was created in 1878.
No one leads Channukah. This is a holiday that's celebrated in the home; and certain prayers are added to the regular synagogue services too.
No, i would think not because on Google it never says praying or going synagogue.
Muslims go for worship (praying) to mosque or any clean place. Jews go to synagogue.
The hazzan leads the prayers in the synagogue and often is the one who also reads from the Torah-scroll.