Love could be a theme. The love between the soldier and the girl, and how they maintain their relationship despite the challenges of military life.
Another theme could be courage. The girl might show courage in waiting for the soldier and facing the uncertainties of his military life.
Themes such as perseverance and courage could be in the story. The girl needs to persevere through the long periods of separation. She has to be courageous in facing the possibility of losing the soldier in combat. And there might also be a theme of patriotism, as the soldier is serving his country and the girl may support him in that noble cause.
One possible theme is sacrifice. The soldier may have to sacrifice his time with his loved one for his duty. Another theme could be loyalty, both to his country and to his partner.
One possible theme is sacrifice. Soldiers sacrifice their time with family during Christmas for the greater good.
One possible theme could be the transition from a life of military combat to a pursuit of the supernatural. Another theme might be the exploration of the unknown, as the soldier leaves behind the familiar world of the military to face the mysteries of ghosts.
Survival can also be a theme. In the military environment, especially in combat situations, the soldier has to fight for his own survival. He needs to use his skills, knowledge, and instincts to stay alive. This could be a major part of the 'first soldier story', as he overcomes various threats and challenges to survive and complete his mission.
One possible theme could be the loss of power and control as the empire ends. Another might be the soldier's sense of duty and how it changes in a changing political landscape. And also, the theme of identity, as the soldier might have to re - evaluate his own identity in relation to the empire and the new emerging situation in Cyprus.
Love is a common theme. It could be the love between a soldier and a girl back home, or the love that a girl has for her soldier family member. For example, in many novels, the girl waits patiently for her soldier lover to return from war.
The theme of social judgment is likely to be there. Society often has a harsh view of call girls, and her story may explore how she copes with that judgment. Additionally, the theme of hope might be present. Despite her circumstances, she may still have hopes and dreams for a different life, and this could be a central part of the story.
Family could also be a theme. For instance, if she has a difficult relationship with her parents, the story could be about how she tries to understand them better and build a stronger bond, or how she breaks free from their over - protection to become an independent person.