A few weeks ago I received an announcement that an organization committed to teaching what the Bible says about being masculine and feminine had published an updated guide available for free. Because the history of ideas about gender, especially within Christendom, is one of my fields of academic study, I eagerly downloaded and began reading. But only a few pages into chapter one, “Being a Man and Acting Like It,” an alarm went off. Here’s what I read: “Paul writes to the leaders in the church at Corinth, ‘Be watchful, stand firm in the faith, act like men, be strong. Let all that you do be done in love’ (1…