servitude

1. The state of being a slave; slavery; being forced to work for others or do their bidding without one's consent or against one's will, either in perpetuity or for a period of time over which one has little or no control. (countable, uncountable)
2. A qualified beneficial interest severed or fragmented from the ownership of an inferior property and attached to a superior property or to some person other than the owner; the most common form is an easement. (countable, uncountable)
3. Service rendered in the army or navy. (countable, dated, uncountable)

Plural servitudes