The largest group of Christians who apostatized and left the Church in recent times were the various protestant groups. Their name at the time, in the Church, was heretic. They, themselves, called themselves various things: Lutherans, Anglicans, Presbyterians, etc. Now they are known as protestants (collectively) and in the Church, as "separated brethren". A complete list of heresies is attached below, all of these groups protested the Church (not just the protestants, but dating back to the first century) and began to worship in their own way:
Protestants
Protestants
Martin Luther was the one who protested against the catholic church (pope) for selling indulgences.
Protestant's.
Protesetants
a synagouge is the temple of the jews. a church is the temple of the christians.
There is an Orthodox Church and a Catholic Church. There is no Catholic Orthodox Church.
Christians can worship anywhere, as it is a belief, and beliefs are everywhere. Though, often Christians would gather at a church as a focal worshipping area. In their own household each believer would worship their beliefs just as common as in a church.
A 'church' can refer to an entire denomination (i.e. 'the Baptist church', 'the Catholic church' etc..), to a congregation (the actual people who worship together) or to all Christians as a whole. The church building is the physical building - the walls and roof- where a congregation meets to worship.
Martin Luther
Because they protested against the Catholic church.
Christians did not break away from the Catholic Church, they remained Christians, protestants broke away from the Catholic Church in the 16th century.
a catholic church
If you mean by worship salah or salat or praying, then it is mosque or any dry clean place (home, office, ... ) or in open air places (parks, stadium, ...)