i Register
In some senses, copyholder is marked as dated, historical. Watch for register when choosing this word.
noun
A person who rents land under the copyhold system.
Rents had risen so much […] that copyholders had to hire themselves out as wage labourers or shepherds.
A device that holds copy in place for typesetting.
A person who holds copy and reads it aloud to a proofreader, who checks the typeset text against it.