Paid worker. A person who works under the supervision or control of an employer and who is entitled to wages (and other benefits) for that work.

Hirer of worker(s). Employers are responsible for the work of both employees and contractors who are entitled to payment (and often benefits) for that work. 

Legal document. An employment contract sets out what  employer and a worker have agreed to including  a description of the position and responsibilities, rate of pay, benefits, hours of work and termination of employment.

Personnel file. These are the records that an employer will keep for each of it’s workers. This file should include all of the documentation related to the employment relationship. Examples include the letter/email of hire, employment contract, performance reviews, warnings issued (if any), and employee feedback.