The most common and most likely answer to this crossword clue is the 7 letter word BOYCOTT
I've seen this crossword clue in The Guardian
B
O
Y
C
O
T
T
More clues leading to the result BOYCOTT
- Refuse to co-operate with sporting Knight
- Black bishop rings Times about Young Conservatives
- Stay away from male child on bed with onset of typhus
- Black cricketer
- Snub oaf getting erection at bed-time
- Test expert in bar trade
- Welsh lad tours clubs avoiding drink ban
- Don’t allow when junior gets to bed on time
- Refuse to deal with youth resting on bed with temperature
- Lad getting caught faces excessive ban
Buddy explains!

The straight part
We know that "Black/cricketer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case black/cricketer = boycott.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 BOYCOTT mean?
BOYCOTT noun- The act of boycotting.
- To abstain, either as an individual or a group, from using, buying, or dealing with someone or some organization as an expression of protest.