Serviceman and Trained worker

Serviceman noun - Someone who serves in the armed forces; a member of a military force.

Trained worker and serviceman are semantically related. In some cases you can use "Trained worker" instead a noun "Serviceman".

Trained worker noun - A worker who has acquired special skills.

Serviceman and trained worker are semantically related. Sometimes you can replace term "Serviceman" with "Trained worker", this terms are similar.