inmate

noun

1. A person confined to an institution such as a prison (as a convict) or hospital (as a patient).
2. A person who shares a residence (such as a hotel guest, a lodger, or a student living on campus), or other place.

   “I love to sail forbidden seas, and land on barbarous coasts. Not ignoring what is good, I am quick to perceive a horror, and could still be social with it—would they let me—since it is but well to be on friendly terms with all the inmates of the place one lodges in.”

   “[T]he inmates of the coach, by numerous hard, painful joltings, and ponderous, dragging trundlings, are suddenly made sensible of some great change in the character of the road.”

3. (uncommon)Synonym of passenger, a person held or riding within a vehicle.

   “P. della Valle writes in the same strain: "And these two, the palankins and the andors [a kind of doli] also differ from one another, for in the andor the cane which sustains it is, as it is in the reti, straight; whereas in the palankin, for the greater convenience of the inmate, and to give more room for raising his head, the cane is arched upwards like this, _∩_..."”