The most common and most likely answer to this crossword clue is the 5 letter word OWNER
O
W
N
E
R
More clues leading to the result OWNER
- One who has depression after losing daughter
- Mistress admitted having bottom scratched by king
- Possessor of tranquillisers uncovered
- Old Wren turned out to be a possessive type
- Housekeeper and wife in unit on top of restaurant
- Who has first of weddings in Reno overturned
- One has a bad experience with daughter leaving
- Proprietor’s wife stuck in revolting Nevada resort
- One having uncapped tranquilliser
- Proprietor with ace houses? Right
Buddy explains!

The straight part
We know that "I have" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case i have = owner.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 OWNER mean?
OWNER noun- One who owns something.
- The captain of a ship.