intercourser

Someone or something that engages in social or business intercourse.

When Congress in March 1809 abandoned the complete embargo and partial non-importation, and sub- stituted a complete ban on commercial intercourse with the French and British Empires, Schenck seized twenty intercoursers in 1809, and twenty-three in 1810.

By this my Lady may judge what reasons I had to write what I did of the practising of the padri, amongst whom Mr. Jo. Ger[?ard] was by the gentleman precisely named to be one of the parties that was a chief intercourser.

Someone who has sexual intercourse.

Thus, though he went with a procession of women, his behavior with them led him to see that "I am not an intercourser," a phrase which he then wore out until it lost its meaning

As Sartre himself put it, "I was more a masturbator than an 'intercourser' of women" (CA, p. 385).