Answer:
Human resource management
Step-by-step explanation:
Human resource management refer to managing the human resource. In this there are various functions like recruitment & selection, training & development etc
Since in the question it is mentioned that interview was conducted with the employees who quit their jobs due to less pay, lacking of opportunities so in order to decrease the turnover of the employees she would like to hire the consultant so the consultant should be specialized in human resource management
Therefore the same is relevant