A mob, a club, a bunch...
guys? Cult, gang
Another word for 'good guys' is 'righteous advisories'
another word for large group is clan.
choir or orchestra is another word for music group
young man
Another word for gather or collect is... handle or group together.
Another word for religious group could be "faith community" or "religious organization."
You could try 'villain'
Another word for study group is "learning circle" or "study session".
faction clique
chickas or a 4 tow[a group of frends that hang out and do diffrent things
group