supererogatorn.
/ˌsuːpərˌɛrəˈɡeɪtə/, /ˌsjuːpərˌɛrəˈɡeɪtə/, U.S. /ˌsupərˌɛrəˈɡeɪtər/ rare.
A person who supererogates, or engages in works of supererogation; one who does more than is commanded or required.
ΘΚΠ
the world > action or operation > prosperity > advancement or progress > outdoing or surpassing > [noun] > doing more than demanded or required > one who
supererogator1679
1679 Let. Vindic. Protestant Reformed Church 9 These horrid Supererogators do seem..to out-act the most Holy Law-giver.
1739 R. Venn Let. 10 Feb. in Tracts & Serm. Several Occasions (1740) 258 They were a sort of Protestant Supererogators, that would be righteous overmuch.
1826 Westm. Rev. Jan. 34 Man is not here a mere supererogator, an unbidden counsellor.
1995 Noûs 29 554 Furthermore, not all supererogators do derive personal satisfaction in acting as they do.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1679