nonuser

non·us·er

N0148000 (nŏn-yo͞o′zər)n. One who refrains from the use of something, as of narcotic drugs or alcohol.

nonuser

(ˌnɒnˈjuːzə) na person who does not use a specified item or substance, predominantly an illegal drug

non•us•er

(nɒnˈyu zər)

n. a person who does not use or partake of something, as harmful drugs. [1640–50]