Bad people is incorrectly written, and should be written as "bad person" being its meaning: Who ask you a favor and not do it, not to help other people, not to cooperate, be a person who is rude, antipatica ect...
bad people is incorrectly written, and should be written as "ill will" being its meaning: Have ill will. When we are asked for a favor and we refuse in a whimsical way. You are bad people, you could have it echo!