The most common and most likely answer to this crossword clue is the 7 letter word CATERER
I've seen this crossword clue in The Guardian
C
A
T
E
R
E
R
More clues leading to the result CATERER
- Time to enter new career as supplier of food
- One feeds three queens
- Provider of food hundred consumed? About right
- A “grubby” person coming to the party?
- Someone needed for party? There’s double hesitation after dodgy act
- Provider of food feeding endless tea to guardian
- Party worker, Conservative, dined on river
- One brings food in vehicle to sit around tree, unwinding
- Supplier seeing Queen before King?
- Cooking career involves little time for one in an associated profession?
Buddy explains!

The straight part
We know that "One feeds" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one feeds = caterer.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 CATERER mean?
CATERER noun- A person employed to obtain and maintain the storage of provisions, especially food.
- A person or company hired to provide and serve food, usually for a large group and at a location separate from where the food is prepared.