Human resource offices have two basic responsibilities, namely the delivery of a service to line management and control of organisational behavior and these obligations are performed at strategic and tactical level. There are different roles flowing from these two levels of obligations. Which option below does not reflect one of these roles?

a$.$

Policy developer and advisor.

b$.$

Strategist and disseminator.

c$.$

Designer and Proposer.

d$.$

Champion and investigator.