they called them contraband. It was a way to call them seized property. slaves who escaped and were caught by the union army were made free. google the confiscation acts and it will be more clear.
The Taft Hartley Bill.
In 1862, Union Army Brigadier General Diel Butterfield rearranged an earlier bugle call named "Scott Tattoo" that had been used in the US from 1835-60.
Reveille.
People born in the Soviet Union before it broke up can call themselves Soviets if the want, but their nationality is that of the the country they were born in when it was part of the Soviet Union. For example, a 40-year-old born in the Ukraine state of the Soviet Union is Ukrainian, but free to call themself a Soviet.
Commander xd
Rebels
The Taft Hartley Bill.
boys or girlsclub, or call runaway hotline they can help you.
A slave who escaped was referred to as a fugitive or runaway slave.
To call Android attack on Richmond, the Confederate capitol
You call them a slave driver or a slave's master.
It would be a bit of an anachronism, since the telephone wouldn't be invented for almost forty years ("Union Army" pegs it as US Civil War era ... before 1864 ... and the telephone wasn't invented until around the turn of the century), but other than that, it's fine with me if you want to call them.
A person who owns a slave is typically referred to as a "slave owner" or "master."
This incident happened as part of US President Lincoln's call up of volunteers to augment the Union's regular army. Many people in Maryland, which was a slave State, were sympathetic to the South. An angry mob caused a commotion in trying to stop the troops. Earlier Maryland officials had cut the railroad links between Baltimore and Philadelphia. Maryland would remain in the Union as a slave State during the war, but it was always a problematic situation for Lincoln. Later in the war, Marylanders would see a Confederate army march from northern Virginia into Maryland.
Chronic Runaway.
Slave trader or slave broker
The supply line set up to provide the minimum of rations for the survival of men and animals of the Union army besieged in Chattanooga in October 1863 was called the "Crackers Line"