The word "member" often appears in condo associations governing documents and articles about condo associations.
When used in governing documents, especially when capitalized, the word member may be defined in the governing documents. Usually, member means a member of the condo association per the association's governing documents. Membership occurs automatically when a condo unit is purchased.
Membership gives an undivided share in the condo association's common elements
A different use of the word member in the context of Florida condos is "board member." In this case, the word would mean that the unit owner is part of the board of directors. Generally, one must be an association member to become a member of the board of directors.
The article Overview of Condominiums and applicable Florida laws: What is a Condominium (“Condo”)? provides details about Florida condo members and related points