Nurses and Pharmacists were you forced? Coz si lazima.
Drop the role if you don't like the service industry. You can go to a business-facing side of the industry ama mtafute something you prefer. I understand it's a high-pressure zone but don't ever think you're dealing with a retard. Your role is too valuable to act as some of you currently do.
Serving someone with a lack of decency could be among the reasons people would rather void you. And if it's coz of pay, guess what a number of the back-end team is equally underpaid therefore fight the right person, not your entrusted client.