Sentence:  Several related issues—<WSD>co-employment</WSD> agreements, legal protection of employees, labor unions, the formalizing of employer-employee relationships, and the need for a human resource manager—are the focus of this final section. 
Meaning of the word marked with <WSD> tags:  A relationship between two or more employers which involves having rights and obligations concerning the same employee for the same work, such as the relationship between a contract agency and one of its clients.