(a) In this subtitle the following words have the meanings indicated.
(b) “Injunctive relief” means:
(1) a permanent injunction;
(2) a temporary injunction; or
(3) a temporary restraining order.
(c) “Labor dispute” includes any controversy, regardless of whether the disputants stand in the proximate relation of employee or employer, concerning:
(1) terms or conditions of employment;
(2) employment relations;
(3) the association or representation of persons in negotiating, setting, maintaining, or changing terms or conditions of employment; or
(4) any other controversy arising out of the respective interests of employee or employer.
(d) “Person participating or interested in a labor dispute” means a person against whom relief is sought if the person:
(1) is engaged in the industry, craft, trade, or occupation in which the dispute occurs; or
(2) is an agent, member, or officer of an association of employees or employers engaged in the industry, craft, trade, or occupation in which the dispute occurs.