One occupying which rotten antiquated house? (6)
I believe the answer is:
Here is my best explanation:
'one occupying which rotten antiquated house?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
'one occupying which' is the subsidiary indication.
'one' becomes 'an' (I've seen this in other clues).
'occupying' indicates putting letters inside.
'which' becomes 'tent' (I can't justify this - if you can you should give a lot more credence to this answer).
'an' going within 'tent' is 'tenant'.
(Other definitions for tenant that I've seen before include "A rent payer", "Anne Bronte's novel 'The ...... of Wildfell Hall'", "Rent-payer", "One who pays the landlord", "Renting occupant", "one paying rent", "Occupier of rented property", "individual bound by lease", "Person renting property" and "Renter of property".)