The most common and most likely answer to this crossword clue is the 5 letter word MOSES
I've seen this crossword clue in The Guardian
M
O
S
E
S
More clues leading to the result MOSES
- Prophet’s artistic grandma
- Doctors succeeded saving European national leader
- Grandma’s tips on jam: no additives; sterilise jars
- Prophet Amos esteemed, to some extent
- One who laid down the law: Grandma, possibly?
- Lawmaker takes a stroll, avoiding Yankee
- Some other fractions in the end found by relative, 1/100
- Liberator frees fifty as from thick treacle
- He led an exodus from Spain through boggy ground
- Natural lining material wrapped round end of the contents of basket
Buddy explains!
The straight part
We know that "One getting some orders around the summit of Sinai" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one getting some orders around the summit of sinai = moses.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.