Adolescence /ˌæd

staff /stɑːf/ /stæf/ noun PEOPLE
1. [ S + singular or plural verb ] the group of people who work for an organization
There is a good relationship between staff and pupils at the school.
The staff are not very happy about the latest pay increase.
There are over a hundred staff in the company.
He is on (= a member of) the editorial staff of the magazine.
supervisor /ˈsuː.pə.vaɪ.zə r / /-pɚ.vaɪ.zɚ/ noun [ C ]
1. a person whose job is to supervise someone or something
2. in some colleges, a teacher with responsibility for a particular student
3. US A town or county supervisor is an elected official who manages local government services.
takeover /ˈteɪkˌəʊ.və r / /-ˌoʊ.vɚ/ noun [ C ]
1. when a company gets control of another company by buying most of its shares (= the equal parts into which the ownership of the company is divided)
They were involved in a takeover last year.
2. make a takeover bid for sth
to try to get control of something
The company made a takeover bid for a rival firm.