lineofficial
nounUK /laɪn əˈfɪʃəl/
US /laɪn əˈfɪʃəl/
A person whose job is to keep a line or queue in order.
The lineofficial told everyone to stand behind the rope.
OTHER MEANINGS
2. A worker who checks tickets in a line.
The lineofficial checked our tickets before we entered.
3. A person who guides people into a single row.
The lineofficial waved us into one straight row.
4. An official in charge of a railway line.
The lineofficial made sure the train tracks were safe.