attainern.

/əˈteɪnə/Etymology: < attain v. + -er suffix1.
the mind > possession > acquisition > [noun] > one who obtains or acquires > by effort
1610 J. Healey tr. St. Augustine xix. ii. 754 The finall good doth immediatly make the attainer blessed.
This entry has not yet been fully updated (first published 1885; most recently modified version published online January 2018).