bail
bond
captive
earnest
earnest money
escrow
gage
guaranty
handsel
hock
mainprise
pawn
pignus
pledge
prisoner
recognizance
replevin
replevy
security
surety
token
token payment
undertaking
vadimonium
vadium
athlete
citizen
civilian
colonist
convict
diplomat
envoy
immigrant
passenger
personnel
recruit
refugee
spy
survivor
travelers
volunteer