The factors that come into play...
Long story short, an index about tropes in which something or someone isn't afforded the same rights and considerations that similar entities get despite deserving them for some reason or another.
If you're looking for tropes involving creatures (almost always humans) having arbitrary and demeaning standards inflicted on them, see Double Standard. This is for critters that don't have them in the first place, because they're beneath consideration.
- What Measure Is an Alternate Reality? (Expendable Alternate Universe)
- What Measure Is Another Race? (Would Be Rude to Say "Genocide")
- What Measure Is Another Realm? (Up the Real Rabbit Hole)
- What Measure Is a Traitor? (Category Traitor)
- What Measure Is a Humanoid?
- What Measure Is a Mook?
- What Measure Is a Clone? (Expendable Clone)
- What Measure Is a Non-Animal? (That Poor Plant)
- What Measure Is a Non-Cute? (Bambi Effect)
- What Measure Is a Non-Human?
- What Measure Is a Non-Magic? (Wrong Context Magic)
- What Measure Is a Non-Original Item? (Ship of Theseus)
- What Measure Is an Infidel? (With Us Or Against Us)
- What Measure Is a Dissenter? (The Complainer is Always Wrong)
- What Measure Is a Non-Super? (Muggle Power)
- What Measure Is a Non-Unique? (Uniqueness Value)
- What Measure is a Unique? (All of the Other Reindeer)