nonuser [
'nɒn'ju:zә]
n. 不行使权利, 放弃权利, 不使用者
[法] 弃权, 不行使权利, 权利消失
Nonuser \Non*us"er\,
1. A not using; failure to use.
An office may be forfeited by misuser or nonuser.
--Blackstone.
2. (Law) Neglect or omission to use an easement or franchise
or to assert a right. --Kent.