In geneforge 1, Astrov is a scout Sholai.
Like Masha, his name means star.
He lead a rebellion against his commander, Trajkov, during the second Sucia incident.
Having lost many men to the perils of Sucia isle, Astrov revolted after he was ordered to assasinate Goettsch the Shaper who had established his camp in the wastes west of Sucia isle.