def send_protector(living_players, protector_full_name, protector_chat_id)
      log("sending protector instruction to #{protector_full_name}")
      options = convert_to_square_keyboard(living_players.map{ |lv| lv[:full_name] } - [protector_full_name])
      vote_keyboard = Telegram::Bot::Types::ReplyKeyboardMarkup.new(keyboard: options, resize_keyboard: true, one_time_keyboard: true)
      send_to_player(protector_chat_id, 'Mau jual jimat ke siapa?', reply_markup: vote_keyboard)