Degraders like to degrade and humiliate their play partner(s), either by acting upon them in a degrading way, or by or by forcing them to do things they consider degrading.
If a girl likes it when you call her or do somethingrude during sexual activity she likes being degraded.
Being degraded involve: Hair pulling, choking, slapping, spiting, name calling, ect.
James: "My girlfriend likes when I call her my little cum slut."
Andrew: "she must likes being degraded."