The most common and most likely answer to this crossword clue is the 10 letter word REPATRIATE
I've seen this crossword clue in The Guardian
R
E
P
A
T
R
I
A
T
E
Buddy explains!

The straight part
We know that "Send home" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case send home = repatriate.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 REPATRIATE mean?
REPATRIATE noun- A person who has returned to the country of origin or whose citizenship has been restored.
- To restore (a person) to his or her own country.