A plumber in training (tradesperson) is working in your organization for a term, partnering with a senior plumber, who acts as a supervisor and offers on-the-job training. The senior plumber doesn't know what the correct title for the plumber in training is. Based on your HR expertise, which of the following is the most accurate title you would recommend using?
a) Mentee
b) Intern
c) Apprentice
d) Student