In this title the following words have the meanings indicated. “Commissioner” means the Commissioner of Labor and Industry. “Employee” means, except as provided in § 5–401 of this title, an individual whom an employer employs, for a wage or other compensation, in the business of the employer. “Employee” includes: an individual whom a public body employs; an individual who is licensed as a taxicab driver and leases or rents a taxicab from a person who operates or owns a taxicab business in Baltimore City; an individual who is employed for part–time or temporary help by a public body or person who engages in a business that directly employs individuals to provide part–time or temporary help to another public body or person; and an individual who performs work for a public body or person to whom the individual is provided by another public body or person who engages in a business that directly employs individuals to provide part–time or temporary help. “Employer” means: except as provided in § 5–401 of this title, a person who is engaged in commerce, industry, trade, or other business in the State and employs at least one employee in that business; or a public body. “Employer” includes: a person who operates or owns a taxicab business in Baltimore City and leases or rents a taxicab to a licensed taxicab driver, to provide services to the public; a public body or person who engages in a business that directly employs individuals to provide part–time or temporary help to another public body or person; and a public body or person who contracts directly with another public body or person who engages in a business that directly employs individuals to provide part–time or temporary help to another public body or person. “Occupational safety and health standard” means a regulation that requires: a condition that is reasonably appropriate or necessary to make employment and places of employment safe and healthful; or the adoption or use of a means, method, operation, practice, or process that is reasonably appropriate or necessary to make employment and places of employment safe and healthful. “Person” includes a successor. “Place of employment” means a place in or about which an employee is allowed to work. “Public body” means: a governmental unit; a public or quasi–public corporation of the State; a school district in the State or any unit of the district; or a special district in the State or any unit of the district. “Workplace violence” means an act of violence or a threat of violence that occurs at a place of employment and that is not a lawful act of self–defense or defense of another person. “Workplace violence” includes, regardless of whether the employee is physically or psychologically injured: using or threatening to use physical force against an employee; or an incident involving the use of or threatening the use of a firearm or other dangerous weapon.