Which preposition to use with kafirs

in Occurrences 2%

" Not long ago I was talking to a shrewd, vigorous old English lady who had spent some forty years of her life among the Kafirs in South Africa and knew them intimately.

of Occurrences 2%

In his book on the Kafirs of the Hindu-Kush, G.S. Robertson writes: "It is considered a reproach to have only one wife, a sign of poverty and insignificance.

as Occurrences 1%

I have noticed that several mention the Kafirs as being great wine-bibbers.

from Occurrences 1%

Elphinstone obtained much information respecting the Kafirs from one Mullah Najib in 1809; and Lumsden from a Kafir slave named Feramory, who was a general in the Afghan service in 1857.

Which preposition to use with  kafirs