A painless sore that appears during the first stage of syphillis

Chancre

The first sign of syphilis is a small sore, called a chancre (SHANG-kur). The sore appears at the spot where the bacteria entered your body. While most people infected with syphilis develop only one chancre, some people develop several of them. The chancre usually develops about three weeks after exposure.

Hey would employ people

I'd probably say d as you would try to reassure them that everything would be ok and that they won't come to any harm.