The most common and most likely answer to this crossword clue is the 5 letter word CEORL
C
E
O
R
L
More clues leading to the result CEORL
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The straight part
We know that "Lowly freeman" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lowly freeman = ceorl.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 CEORL mean?
CEORL noun- An Anglo-Saxon churl.