absolutism
bond service
captivity
control
debt slavery
deprivation of freedom
disenfranchisement
disfranchisement
domination
enslavement
enthrallment
feudalism
feudality
helotism
helotry
imprisonment
indentureship
obligation
peonage
restraint
serfage
serfdom
serfhood
servility
servitude
slavery
subjection
subjugation
thrall
thralldom
tyranny
vassalage
villenage
yoke
sex
sex activity
sexual activity
sexual practice
burden
degradation
despotism
humiliation
loneliness
misery
oppression
persecution
poverty
suffering
torment
wretchedness
freedom