The most common and most likely answer to this crossword clue is the 8 letter word OCCUPANT
I've seen this crossword clue in The Guardian
O
C
C
U
P
A
N
T
More clues leading to the result OCCUPANT
- Resident publisher holding minor volume with a set of books
- Insider from Acton wrestling to claim prize
- Oscar trophy found in tin by actor’s third tenant
- Resident giving muddled account about parking
- Cold drink breaks old worker’s liver
- A letter’s target
- Tenant put pound initially into different account
- Holder’s last in group to enter account after break-up
- Resident, with penny in account, worried
- Copper to huff and puff following old Conservative resident
Buddy explains!

The straight part
We know that "tenant" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tenant = occupant.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OCCUPANT mean?
OCCUPANT noun- A person who occupies an office or a position.
- A person who occupies a place.
- The owner or tenant of a property.