The most common and most likely answer to this crossword clue is the 11 letter word BODHISATTVA
B
O
D
H
I
S
A
T
T
V
A
Buddy explains!

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 BODHISATTVA mean?
BODHISATTVA noun- A person who has taken specific lay or monastic vows and who is on the road to perfect knowledge; specifically, one who foregoes personal nirvana in order to help others achieve enlightenment.
- An enlightened being existing in a form of existence beyond the ordinary forms of physical reality understood and acknowledged by scientific thought, resembling the Western notion of angels, but with a wealth of its own nuances and expectations. These include the compassionate working for enlightenment of all sentient beings.