Possible Clues:

• Is the backward son about to be off his head in a moving sort of way?
• Horde members
• Wandering tribes or people
• You hit land, and meet these wanderers who take your stuff and leave you stranded. 70-across.
• Bedouins and Tuaregs
• Bedouins, e.g.
• Wandering people, roaming tribes
• Damson for wandering tribes
• The Saracens, e.g.
• Migratory sorts