Mameluke
Concise Oxford English Dictionary © 2008 Oxford University Press:
Mameluke /ˈmaməluːk/
▶noun a member of a regime descended from slaves, that formerly ruled parts of the Middle East.
– origin from Fr. mameluk, from Arab. mamlūk (passive part. used as a noun meaning ‘slave’), from malaka ‘possess’.
'Mameluke' also found in these Oxford entries:

