Half breed disadvantages clarification needed..

[Drkmage02]

Our group is divided on this issue.

If a player is a half breed of a single race and received none of its disadvantages; what exactly counts as a disadvantage? There are the obvious ones like the monsters getting a +4 against you but they're trying to use it to dodge curses and it doesn't make sense. For example a half breed Changling was hit by a curse that only effects Changelings. They ignored it and made the player discard their card for wasting it against them. Others argued that they are still a changeling and it should have effected them.