One who means well or is well-intentioned.
1654. R. Whitlock, Ζωοτομια, To Rdr. A 6 b. With well-meaners even good Meanings and Aimes in Authors attone their Failings.
1683. Dryden, Vind. Dk. Guise, 59. Deluded well-meaners come over out of honesty, and small offendors out of common discretion, or fear. Ibid. (1700), Pal. & Arc., III. 205. Well-meaners think no Harm.
1855. M. Bridges, Pop. Mod. Hist., 432. On its benches sat many enthusiasts, no sages, a few well-meaners, and some colossal scoundrels.