soldier

1. A member of a ground-based army, of any rank, but especially an enlisted member. (countable) · My friends and I saw a soldier questioning a man holding a bag with a gun in his pocket.
2. An enlisted member of a military service, as distinguished from a commissioned officer. (countable, formal) · She saw a soldier while collecting her baggage at the airport.
3. A guardsman.
4. A member of the Salvation Army.
5. A low-ranking gangster or member of a gang, especially the mafia, who engages in physical conflict.
6. A term of approbation for a young boy.
7. Someone who fights or toils well. (countable, figuratively)
8. A red or cuckoo gurnard (Chelidonichthys cuculus).

Plural soldiers