L believe the answer is: <span>industrial-organizational psychologist
</span><span>industrial-organizational psychologist would utilize the knowledge that he/she learn in psychology filed to improve the quality of workplace environemnt .
Things such as how to improve worker's productivity, how to improve the harmony among team members, and how to create proper chain of commands are usually handled by </span><span>industrial-organizational psychologist</span>
Trust, Loyalty,Love& emphaty
The first title goes to the pair that’s closer to the top, and the second title goes to the 3rd pair, and u know where the last 1 goes!