Low-born means born into a family of no rank. A low-born soldier.
It belongs to writing about older societies where birth decided almost everything. To call somebody low-born is a statement about their parents rather than about them.
1adjectivelow-bornBorn into a family of no rank.
“A low-born officer could rise no further whatever he did.”
low-born is a quality.
Practised in A Song of Ice and Fire