Eugenicist

I like Scandinavians, skiing, swimming and socialists who realize it is our business to promote social progress by peaceful methods. I dislike football, economists, eugenicists, Fascists, Stalinists, and Scottish conservatives.

Source: wiktionary

“What makes a eugenicist is this overwhelming faith that everything in human nature is determined by your genes,” he says.

Source: wiktionary

Wading through history, he noted that some eugenicists believed that the “distinction between the fit and the unfit could be drawn along racial lines,” and others would define a person as “feeble-minded.”

Source: wiktionary

This won't be easy. The pronatalists combine conservative social nudges (get married, start a family) with liberal policy objectives (give parents more money, upzone the suburbs), which makes for tricky politics. At a time of increased abortion restrictions, many liberals find them creepy—busybodies at best and eugenicists at worst.

Source: wiktionary