he has had his estate sequestrated, or has been adjudged bankrupt or has granted a trust deed for or entered into an arrangement with his creditors;

he is unable to carry out his duties as a Board member by reason of physical or mental illness;

he has been absent from meetings of the Board for a period longer than six consecutive months without the permission of the Board; or

he is otherwise unable or unfit to discharge the functions of a member of the Board, or is unsuitable to continue as a member.