I have no idea what it means.
Student or Learner
Is the following paragraph correct?
Students conducted dignity activities. They made a hand chain and helped the sweeper pick up the swappers.
Do you mean that the students demonstrated solidarity with the sweeper, showing that they respected his/her dignity by helping to pick up litter?
"Invading armies have no rights." Noam Chomsky
What are "swappers"?
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.
He or she probably meant 'wrappers' or rubbish.
I am not a teacher.