Shortchange

verb

1. To defraud someone by giving them less change than they should be given after a transaction.

   "I got shortchanged! …I gave him $10 for a $5 item and he only gave me $1 back."

2. (by extension) To deprive someone of something for which they paid.

   "The elective class was easy, but in the end I was shortchanging myself."

3. To make disadvantaged by design.

   "Being proud of mistreating shortchanged "enemies" is a likely sign of class consciousness, as well as thinking or speaking ill of them."