A subtenant is someone who has rented or leased a property from a tenant who is already renting the property from the landlord. Synonyms for the word subtenant include sublessee, underlessee, lodger, boarder, renter, lessee, occupant, tenant-at-will, and occupier. Each term has a slightly different connotation and usage, depending on the context and the legal status of the arrangement. For example, a lodger typically rents a room in someone's house, while a sublessee may take over the entire lease of a property for a set period of time. Understanding the nuances of these synonyms is essential for clarity and precision in legal and business contracts.