It is mean to take advantage of other people.
Jason's sister Georgia is a meek but very talented freelance designer who has trouble asserting herself.
Jason wants Georgia to design a logo for him.
Jason hires Georgia to design the logo for him.
Jason asks Georgia to design the logo for him for free since he's family.
Georgia designs a logo Jason is happy with and is compensated for her time and work.
Georgia feels obligated to help Jason and loses out on paying work because she is busy with Jason's logo.