The medieval organizations of tradesmen were called trades guilds or mercantile guilds. There were also crafts guilds.
Committee
Blue collar workers is another description for a large group of working class people.
brood : a group of young animals or children
A group of religious people is often referred to as a congregation, parish, assembly, or community.
another word for large group is clan.
choir or orchestra is another word for music group
Another word for gather or collect is... handle or group together.
stereotypical maybe sam?? :)
Another word for religious group could be "faith community" or "religious organization."
Another word for study group is "learning circle" or "study session".
Another word for "sect" is "faction" or "group."
group