หัวหน้างาน

Also known as foreperson, boss, overseer, cell coach, facilitator, area coordinator, foreman, straw boss

thumb|An American poster from the 1940s. A supervisor, or lead, (also known as foreman, boss, overseer, facilitator, monitor, area coordinator, line-manager or sometimes gaffer) is the job title of a lower-level management position and role that is primarily based on authority over workers or a workplace. A supervisor can also be one of the most senior on the employees at a place of work, such as a professor who oversees a Ph.D. dissertation. Supervision, on the other hand, can be performed by people without this formal title, for example by parents. The term supervisor itself can be used to r