Which preposition to use with woodcutters

across Occurrences 1%

Cook, noticing several parties of armed natives advancing in a threatening manner, retired his woodcutters across the river.

for Occurrences 1%

No one lives here except woodcutters for the steamboats.

into Occurrences 1%

It took but little time to transform the woodcutter into a domestic servant, and to exchange his dress of green jump for a more decent suit of grey cloth.

Which preposition to use with  woodcutters