serviceman(n = noun.person) man, military man, military personnel - someone who serves in the armed forces; a member of a military force; "two men stood sentry duty"
is a kind of skilled worker, skilled workman, trained worker
is a member of force, military force, military group, military unit
has particulars: air force officer, commander, artilleryman, cannoneer, gunner, machine gunner, bluejacket, navy man, sailor, sailor boy, commando, ranger, conscript, draftee, inductee, enlisted person, devil dog, leatherneck, marine, shipboard soldier, military officer, officer, noncombatant, occupier, striper, ex-serviceman, vet, veteran, veteran, veteran soldier, military volunteer, voluntary, volunteer
Antonym: civilian

serviceman, n. (pl. -men)
1 a man serving in the armed forces.
2 a man providing service or maintenance.