or He was speaking in her stead. The idioms alluding to shoes, with their picture of stepping into anyone's shoes, day from about 1700 and are generally Employed in a conditional clause starting with if. Stead, relationship within the 1300s, and position, in the 1500s, are applied additional loosely. https://socialtrain.stage.lithium.com/t5/user/viewprofilepage/user-id/61060