Does Humility remove abilities granted by a creature's subtype such as Rebel or Wizard?

Humility reads: 'All creatures lose all abilities and have base power and toughness 1/1.' This effect removes every ability from every creature on the battlefield, regardless of the source of those abilities — whether printed on the card, granted by another card, or functionally associated with a subtype.

Importantly, subtypes themselves (like Rebel, Wizard, Merfolk, etc.) are not abilities — they are part of a card's type line (CR 205.3). Humility does not remove subtypes. A creature that was a Rebel is still a Rebel after Humility resolves. However, any activated or triggered abilities that reference the subtype — such as Ramosian Sergeant's ability to search your library for a Rebel — are abilities printed on the card, and those are removed by Humility.

Under CR 604.1 and 702.2, abilities are defined as rules text granting the creature functions. Humility's layer-6 effect (CR 613.1b) strips all such text. The subtype remains as a characteristic, but any mechanical benefit tied to an ability referencing that subtype is gone while Humility is in play.

Example: You control Ramosian Sergeant (a Rebel) and Humility is on the battlefield. Ramosian Sergeant is still a Rebel creature — its subtype is intact — but its activated ability '{3}, {T}: Search your library for a Rebel...' is removed. You cannot use that search ability at all while Humility remains in play.

Note: If another card grants a creature an ability based on the creature's subtype (e.g., an enchantment aura that says 'Enchanted Wizard has flying'), that granted ability is also removed from the creature by Humility, per CR 613 layer ordering rules.