One word would be mercenary.
The term "private" for a new soldier originates from the word "private" in the sense of being a member of the general public, as opposed to an officer or someone with a higher rank. In military hierarchy, a private is the lowest rank, indicating that the soldier has not yet attained specialized training or higher status within the military structure. The title reflects their initial status and role within the organization.
NIGGAHS
The term "private soldier" originates from the hierarchical structure of military organizations, where "private" denotes the lowest rank of enlisted personnel. The word "private" comes from the Latin "privatus," meaning "individual" or "not holding a public office," indicating a soldier who serves without special rank or status. This designation differentiates them from higher-ranking officers and specialized roles within the military. The term has been in use since at least the 17th century.
A Private.
Private US Army $50 a month
hessian
squaddie
hessian
Soldier hired by the army of another country or by a private army, or a Soldier that will fight for you for pay enough.
You could use "Once a doctor and a soldier, ...." or "Previously a doctor and a soldier, ...."
The abstract noun form of the adjective 'private' is privateness.A related abstract noun is privacy.The word 'private' is also a concrete noun as a word for a low ranking soldier; a word for a person.
Miles (genitive: militis).
If a soldier is absent long enough he will be declared a deserter.
Dough boy was a soldier in II world warDog face was a soldier in the I world war
Trooper (Isusu).
Charles Josh Rupp villata soilder
soldier