A house-elf (sometimes also referred to as just elf) was a magical being which was immensely devoted and loyal to the one designated as their master.[3] House-elves served wizards and witches and were usually found under the employment of old wizarding families taking residence in elaborate establishments, like mansions, and must do everything that their masters commanded unless they were freed. A house-elf could only be freed when their master presented them with clothes.[3] House-elves had the