Manager
someone who manages nurses!
someone who manages money such as tutitions for an institution
A portfolio manager is someone who manages a group of investments for someone else.
The technology that joins multiple users together on one call is called a conference call bridge. It is beneficial to use this conference call bridge technology because it manages connections and allows for free flow of information among the participants.
A broadcasting manager is someone who manages a broadcasting station
when someone manages an airport and keeps it running smoothly and correctly.
Someone that manages other people and directs their day to day activities.
A proficient person is someone who manages there time wisely is efficient and get the job done.
If you call someone, you are the "caller".
An entrepreneur is someone that starts or manages a business venture even though it could pose risks.
Tabler is the colonial term for someone who owns/manages a boardinghouse