How many types of Companions did Ziri have so far?

It was uncertain how many types of Companions Ziri had in Starting From Zero. The answer to this question may change with time and the progress of the reader because the plot and setting of the novel often change. However, Ziri was one of the most important characters and one of the most powerful Companions in the novel " Starting From Zero." Other than that, there may be more Companions, but we have no way of knowing their existence.