There are multiple definitions - click on the translation that matches your context.

member of the bar means:

• colegiado/a
• abogado colegiado

colegiado/a means:

• member of a professional association (asociación profesional) such a bar association (colegio de abogados), notaries association (colegio de notarios), etc.
• member of the bar
• admitted to practice
• called to the bar