Guessing the verb phrases

to have control and authority over something or someone

refer to the persons or tools with which a person works

to have specific training, education, proficiency, or experience in one particular subject, topic, field, etc

to occupy some roles or profession as a job

to cooperate with someone in order to perform some tasks, activities, responsibilities

to do something in order to achieve something or in order to solve a problem

to be formed or made up of (specified things or people)

having control of or responsibility for