The GB can disfellowship a member "in abstentia" if that member refuses
to meet with the judicial committee. I know a brother who requested
the names of his accusers, the precise charges made against him and the names
of the committee members before he would appear before them. The elders
refused to answer any of these questions. As it turned out, it was
later learned that two of the elders who were the accusers were
also members of the judicial committee judging the case. The elders
disfellowshipped this brother "in abstentia."