Chores

If you lived in a house full of 8 people would only two people be responsible for chores or would everyone be responsible for chores?

I live in a house full of 7 adults and one tween. Everyone ranges from 18-65 years old and only two people have to do chores, two people have jobs and the other 5 do not. One person who has a job has to do all of the cleaning while the the other person who has a job gets to sit in his room and does absolutely nothing but cause drama. The cleaning is all up to the 18 and 20 year old and if it is not done they’re belittled & called retarded.